298889200780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{617}}^1\times {\mathrm{643}}^1$

素因数の和:1679

約数の個数: 96

約数和(自身を含む): 636532485120

約数和(自身を除く): 337643284340

約数列:

[1, 2, 4, 5, 10, 20, 139, 271, 278, 542, 556, 617, 643, 695, 1084, 1234, 1286, 1355, 1390, 2468, 2572, 2710, 2780, 3085, 3215, 5420, 6170, 6430, 12340, 12860, 37669, 75338, 85763, 89377, 150676, 167207, 171526, 174253, 178754, 188345, 334414, 343052, 348506, 357508, 376690, 396731, 428815, 446885, 668828, 697012, 753380, 793462, 836035, 857630, 871265, 893770, 1586924, 1672070, 1715260, 1742530, 1787540, 1983655, 3344140, 3485060, 3967310, 7934620, 23241773, 24221167, 46483546, 48442334, 55145609, 92967092, 96884668, 107514101, 110291218, 116208865, 121105835, 215028202, 220582436, 232417730, 242211670, 275728045, 430056404, 464835460, 484423340, 537570505, 551456090, 1075141010, 1102912180, 2150282020, 14944460039, 29888920078, 59777840156, 74722300195, 149444600390, 298889200780]

約数ペア:

[(1, 298889200780), (2, 149444600390), (4, 74722300195), (5, 59777840156), (10, 29888920078), (20, 14944460039), (139, 2150282020), (271, 1102912180), (278, 1075141010), (542, 551456090), (556, 537570505), (617, 484423340), (643, 464835460), (695, 430056404), (1084, 275728045), (1234, 242211670), (1286, 232417730), (1355, 220582436), (1390, 215028202), (2468, 121105835), (2572, 116208865), (2710, 110291218), (2780, 107514101), (3085, 96884668), (3215, 92967092), (5420, 55145609), (6170, 48442334), (6430, 46483546), (12340, 24221167), (12860, 23241773), (37669, 7934620), (75338, 3967310), (85763, 3485060), (89377, 3344140), (150676, 1983655), (167207, 1787540), (171526, 1742530), (174253, 1715260), (178754, 1672070), (188345, 1586924), (334414, 893770), (343052, 871265), (348506, 857630), (357508, 836035), (376690, 793462), (396731, 753380), (428815, 697012), (446885, 668828)]