399131880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:400

約数の個数: 256

約数和(自身を含む): 1452625920

約数和(自身を除く): 1053494040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 73, 84, 92, 105, 115, 120, 138, 140, 146, 161, 168, 184, 210, 219, 230, 276, 280, 283, 292, 322, 345, 365, 420, 438, 460, 483, 511, 552, 566, 584, 644, 690, 730, 805, 840, 849, 876, 920, 966, 1022, 1095, 1132, 1288, 1380, 1415, 1460, 1533, 1610, 1679, 1698, 1752, 1932, 1981, 2044, 2190, 2264, 2415, 2555, 2760, 2830, 2920, 3066, 3220, 3358, 3396, 3864, 3962, 4088, 4245, 4380, 4830, 5037, 5110, 5660, 5943, 6132, 6440, 6509, 6716, 6792, 7665, 7924, 8395, 8490, 8760, 9660, 9905, 10074, 10220, 11320, 11753, 11886, 12264, 13018, 13432, 15330, 15848, 16790, 16980, 19320, 19527, 19810, 20148, 20440, 20659, 23506, 23772, 25185, 26036, 29715, 30660, 32545, 33580, 33960, 35259, 39054, 39620, 40296, 41318, 45563, 47012, 47544, 50370, 52072, 58765, 59430, 61320, 61977, 65090, 67160, 70518, 78108, 79240, 82636, 91126, 94024, 97635, 100740, 103295, 117530, 118860, 123954, 130180, 136689, 141036, 144613, 156216, 165272, 176295, 182252, 195270, 201480, 206590, 227815, 235060, 237720, 247908, 260360, 273378, 282072, 289226, 309885, 352590, 364504, 390540, 413180, 433839, 455630, 470120, 475157, 495816, 546756, 578452, 619770, 683445, 705180, 723065, 781080, 826360, 867678, 911260, 950314, 1093512, 1156904, 1239540, 1366890, 1410360, 1425471, 1446130, 1735356, 1822520, 1900628, 2169195, 2375785, 2479080, 2733780, 2850942, 2892260, 3326099, 3470712, 3801256, 4338390, 4751570, 5467560, 5701884, 5784520, 6652198, 7127355, 8676780, 9503140, 9978297, 11403768, 13304396, 14254710, 16630495, 17353560, 19006280, 19956594, 26608792, 28509420, 33260990, 39913188, 49891485, 57018840, 66521980, 79826376, 99782970, 133043960, 199565940, 399131880]

約数ペア:

[(1, 399131880), (2, 199565940), (3, 133043960), (4, 99782970), (5, 79826376), (6, 66521980), (7, 57018840), (8, 49891485), (10, 39913188), (12, 33260990), (14, 28509420), (15, 26608792), (20, 19956594), (21, 19006280), (23, 17353560), (24, 16630495), (28, 14254710), (30, 13304396), (35, 11403768), (40, 9978297), (42, 9503140), (46, 8676780), (56, 7127355), (60, 6652198), (69, 5784520), (70, 5701884), (73, 5467560), (84, 4751570), (92, 4338390), (105, 3801256), (115, 3470712), (120, 3326099), (138, 2892260), (140, 2850942), (146, 2733780), (161, 2479080), (168, 2375785), (184, 2169195), (210, 1900628), (219, 1822520), (230, 1735356), (276, 1446130), (280, 1425471), (283, 1410360), (292, 1366890), (322, 1239540), (345, 1156904), (365, 1093512), (420, 950314), (438, 911260), (460, 867678), (483, 826360), (511, 781080), (552, 723065), (566, 705180), (584, 683445), (644, 619770), (690, 578452), (730, 546756), (805, 495816), (840, 475157), (849, 470120), (876, 455630), (920, 433839), (966, 413180), (1022, 390540), (1095, 364504), (1132, 352590), (1288, 309885), (1380, 289226), (1415, 282072), (1460, 273378), (1533, 260360), (1610, 247908), (1679, 237720), (1698, 235060), (1752, 227815), (1932, 206590), (1981, 201480), (2044, 195270), (2190, 182252), (2264, 176295), (2415, 165272), (2555, 156216), (2760, 144613), (2830, 141036), (2920, 136689), (3066, 130180), (3220, 123954), (3358, 118860), (3396, 117530), (3864, 103295), (3962, 100740), (4088, 97635), (4245, 94024), (4380, 91126), (4830, 82636), (5037, 79240), (5110, 78108), (5660, 70518), (5943, 67160), (6132, 65090), (6440, 61977), (6509, 61320), (6716, 59430), (6792, 58765), (7665, 52072), (7924, 50370), (8395, 47544), (8490, 47012), (8760, 45563), (9660, 41318), (9905, 40296), (10074, 39620), (10220, 39054), (11320, 35259), (11753, 33960), (11886, 33580), (12264, 32545), (13018, 30660), (13432, 29715), (15330, 26036), (15848, 25185), (16790, 23772), (16980, 23506), (19320, 20659), (19527, 20440), (19810, 20148)]