408091880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1087

約数の個数: 128

約数和(自身を含む): 1119744000

約数和(自身を除く): 711652120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 95, 133, 140, 152, 158, 190, 266, 280, 316, 380, 395, 532, 553, 632, 665, 760, 790, 971, 1064, 1106, 1330, 1501, 1580, 1942, 2212, 2660, 2765, 3002, 3160, 3884, 4424, 4855, 5320, 5530, 6004, 6797, 7505, 7768, 9710, 10507, 11060, 12008, 13594, 15010, 18449, 19420, 21014, 22120, 27188, 30020, 33985, 36898, 38840, 42028, 52535, 54376, 60040, 67970, 73796, 76709, 84056, 92245, 105070, 129143, 135940, 147592, 153418, 184490, 210140, 258286, 271880, 306836, 368980, 383545, 420280, 516572, 536963, 613672, 645715, 737960, 767090, 1033144, 1073926, 1291430, 1457471, 1534180, 2147852, 2582860, 2684815, 2914942, 3068360, 4295704, 5165720, 5369630, 5829884, 7287355, 10202297, 10739260, 11659768, 14574710, 20404594, 21478520, 29149420, 40809188, 51011485, 58298840, 81618376, 102022970, 204045940, 408091880]

約数ペア:

[(1, 408091880), (2, 204045940), (4, 102022970), (5, 81618376), (7, 58298840), (8, 51011485), (10, 40809188), (14, 29149420), (19, 21478520), (20, 20404594), (28, 14574710), (35, 11659768), (38, 10739260), (40, 10202297), (56, 7287355), (70, 5829884), (76, 5369630), (79, 5165720), (95, 4295704), (133, 3068360), (140, 2914942), (152, 2684815), (158, 2582860), (190, 2147852), (266, 1534180), (280, 1457471), (316, 1291430), (380, 1073926), (395, 1033144), (532, 767090), (553, 737960), (632, 645715), (665, 613672), (760, 536963), (790, 516572), (971, 420280), (1064, 383545), (1106, 368980), (1330, 306836), (1501, 271880), (1580, 258286), (1942, 210140), (2212, 184490), (2660, 153418), (2765, 147592), (3002, 135940), (3160, 129143), (3884, 105070), (4424, 92245), (4855, 84056), (5320, 76709), (5530, 73796), (6004, 67970), (6797, 60040), (7505, 54376), (7768, 52535), (9710, 42028), (10507, 38840), (11060, 36898), (12008, 33985), (13594, 30020), (15010, 27188), (18449, 22120), (19420, 21014)]