490343920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 1337860800

約数和(自身を除く): 847516880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 73, 80, 85, 88, 110, 136, 146, 170, 176, 187, 220, 272, 292, 340, 365, 374, 440, 449, 584, 680, 730, 748, 803, 880, 898, 935, 1168, 1241, 1360, 1460, 1496, 1606, 1796, 1870, 2245, 2482, 2920, 2992, 3212, 3592, 3740, 4015, 4490, 4939, 4964, 5840, 6205, 6424, 7184, 7480, 7633, 8030, 8980, 9878, 9928, 12410, 12848, 13651, 14960, 15266, 16060, 17960, 19756, 19856, 24695, 24820, 27302, 30532, 32120, 32777, 35920, 38165, 39512, 49390, 49640, 54604, 61064, 64240, 65554, 68255, 76330, 79024, 83963, 98780, 99280, 109208, 122128, 131108, 136510, 152660, 163885, 167926, 197560, 218416, 262216, 273020, 305320, 327770, 335852, 360547, 395120, 419815, 524432, 546040, 557209, 610640, 655540, 671704, 721094, 839630, 1092080, 1114418, 1311080, 1343408, 1442188, 1679260, 1802735, 2228836, 2622160, 2786045, 2884376, 3358520, 3605470, 4457672, 5572090, 5768752, 6129299, 6717040, 7210940, 8915344, 11144180, 12258598, 14421880, 22288360, 24517196, 28843760, 30646495, 44576720, 49034392, 61292990, 98068784, 122585980, 245171960, 490343920]

約数ペア:

[(1, 490343920), (2, 245171960), (4, 122585980), (5, 98068784), (8, 61292990), (10, 49034392), (11, 44576720), (16, 30646495), (17, 28843760), (20, 24517196), (22, 22288360), (34, 14421880), (40, 12258598), (44, 11144180), (55, 8915344), (68, 7210940), (73, 6717040), (80, 6129299), (85, 5768752), (88, 5572090), (110, 4457672), (136, 3605470), (146, 3358520), (170, 2884376), (176, 2786045), (187, 2622160), (220, 2228836), (272, 1802735), (292, 1679260), (340, 1442188), (365, 1343408), (374, 1311080), (440, 1114418), (449, 1092080), (584, 839630), (680, 721094), (730, 671704), (748, 655540), (803, 610640), (880, 557209), (898, 546040), (935, 524432), (1168, 419815), (1241, 395120), (1360, 360547), (1460, 335852), (1496, 327770), (1606, 305320), (1796, 273020), (1870, 262216), (2245, 218416), (2482, 197560), (2920, 167926), (2992, 163885), (3212, 152660), (3592, 136510), (3740, 131108), (4015, 122128), (4490, 109208), (4939, 99280), (4964, 98780), (5840, 83963), (6205, 79024), (6424, 76330), (7184, 68255), (7480, 65554), (7633, 64240), (8030, 61064), (8980, 54604), (9878, 49640), (9928, 49390), (12410, 39512), (12848, 38165), (13651, 35920), (14960, 32777), (15266, 32120), (16060, 30532), (17960, 27302), (19756, 24820), (19856, 24695)]