209426360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 256

約数和(自身を含む): 609638400

約数和(自身を除く): 400212040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 26, 38, 40, 41, 44, 47, 52, 55, 65, 76, 82, 88, 94, 95, 104, 110, 130, 143, 152, 164, 188, 190, 205, 209, 220, 235, 247, 260, 286, 328, 376, 380, 410, 418, 440, 451, 470, 494, 517, 520, 533, 572, 611, 715, 760, 779, 820, 836, 893, 902, 940, 988, 1034, 1045, 1066, 1144, 1222, 1235, 1430, 1558, 1640, 1672, 1786, 1804, 1880, 1927, 1976, 2068, 2090, 2132, 2255, 2444, 2470, 2585, 2665, 2717, 2860, 3055, 3116, 3572, 3608, 3854, 3895, 4136, 4180, 4264, 4465, 4510, 4888, 4940, 5170, 5330, 5434, 5720, 5863, 6110, 6232, 6721, 7144, 7708, 7790, 8360, 8569, 8930, 9020, 9635, 9823, 9880, 10127, 10340, 10660, 10868, 11609, 11726, 12220, 13442, 13585, 15416, 15580, 17138, 17860, 18040, 19270, 19646, 20254, 20680, 21197, 21320, 21736, 23218, 23452, 24440, 25051, 26884, 27170, 29315, 31160, 33605, 34276, 35720, 36613, 38540, 39292, 40508, 42394, 42845, 46436, 46904, 49115, 50102, 50635, 53768, 54340, 58045, 58630, 67210, 68552, 73226, 77080, 78584, 81016, 84788, 85690, 92872, 98230, 100204, 101270, 105985, 108680, 111397, 116090, 117260, 125255, 127699, 134420, 146452, 169576, 171380, 183065, 196460, 200408, 202540, 211970, 222794, 232180, 234520, 250510, 255398, 268840, 275561, 292904, 342760, 366130, 392920, 402743, 405080, 423940, 445588, 464360, 475969, 501020, 510796, 551122, 556985, 638495, 732260, 805486, 847880, 891176, 951938, 1002040, 1021592, 1102244, 1113970, 1276990, 1377805, 1464520, 1610972, 1903876, 2013715, 2204488, 2227940, 2379845, 2553980, 2755610, 3221944, 3807752, 4027430, 4455880, 4759690, 5107960, 5235659, 5511220, 8054860, 9519380, 10471318, 11022440, 16109720, 19038760, 20942636, 26178295, 41885272, 52356590, 104713180, 209426360]

約数ペア:

[(1, 209426360), (2, 104713180), (4, 52356590), (5, 41885272), (8, 26178295), (10, 20942636), (11, 19038760), (13, 16109720), (19, 11022440), (20, 10471318), (22, 9519380), (26, 8054860), (38, 5511220), (40, 5235659), (41, 5107960), (44, 4759690), (47, 4455880), (52, 4027430), (55, 3807752), (65, 3221944), (76, 2755610), (82, 2553980), (88, 2379845), (94, 2227940), (95, 2204488), (104, 2013715), (110, 1903876), (130, 1610972), (143, 1464520), (152, 1377805), (164, 1276990), (188, 1113970), (190, 1102244), (205, 1021592), (209, 1002040), (220, 951938), (235, 891176), (247, 847880), (260, 805486), (286, 732260), (328, 638495), (376, 556985), (380, 551122), (410, 510796), (418, 501020), (440, 475969), (451, 464360), (470, 445588), (494, 423940), (517, 405080), (520, 402743), (533, 392920), (572, 366130), (611, 342760), (715, 292904), (760, 275561), (779, 268840), (820, 255398), (836, 250510), (893, 234520), (902, 232180), (940, 222794), (988, 211970), (1034, 202540), (1045, 200408), (1066, 196460), (1144, 183065), (1222, 171380), (1235, 169576), (1430, 146452), (1558, 134420), (1640, 127699), (1672, 125255), (1786, 117260), (1804, 116090), (1880, 111397), (1927, 108680), (1976, 105985), (2068, 101270), (2090, 100204), (2132, 98230), (2255, 92872), (2444, 85690), (2470, 84788), (2585, 81016), (2665, 78584), (2717, 77080), (2860, 73226), (3055, 68552), (3116, 67210), (3572, 58630), (3608, 58045), (3854, 54340), (3895, 53768), (4136, 50635), (4180, 50102), (4264, 49115), (4465, 46904), (4510, 46436), (4888, 42845), (4940, 42394), (5170, 40508), (5330, 39292), (5434, 38540), (5720, 36613), (5863, 35720), (6110, 34276), (6232, 33605), (6721, 31160), (7144, 29315), (7708, 27170), (7790, 26884), (8360, 25051), (8569, 24440), (8930, 23452), (9020, 23218), (9635, 21736), (9823, 21320), (9880, 21197), (10127, 20680), (10340, 20254), (10660, 19646), (10868, 19270), (11609, 18040), (11726, 17860), (12220, 17138), (13442, 15580), (13585, 15416)]