201490660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 496903680

約数和(自身を除く): 295413020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 103, 140, 157, 178, 206, 314, 356, 412, 445, 515, 623, 628, 721, 785, 890, 1030, 1099, 1246, 1442, 1570, 1780, 2060, 2198, 2492, 2884, 3115, 3140, 3605, 4396, 5495, 6230, 7210, 9167, 10990, 12460, 13973, 14420, 16171, 18334, 21980, 27946, 32342, 36668, 45835, 55892, 64169, 64684, 69865, 80855, 91670, 97811, 113197, 128338, 139730, 161710, 183340, 195622, 226394, 256676, 279460, 320845, 323420, 391244, 452788, 489055, 565985, 641690, 978110, 1131970, 1283380, 1439219, 1956220, 2263940, 2878438, 5756876, 7196095, 10074533, 14392190, 20149066, 28784380, 40298132, 50372665, 100745330, 201490660]

約数ペア:

[(1, 201490660), (2, 100745330), (4, 50372665), (5, 40298132), (7, 28784380), (10, 20149066), (14, 14392190), (20, 10074533), (28, 7196095), (35, 5756876), (70, 2878438), (89, 2263940), (103, 1956220), (140, 1439219), (157, 1283380), (178, 1131970), (206, 978110), (314, 641690), (356, 565985), (412, 489055), (445, 452788), (515, 391244), (623, 323420), (628, 320845), (721, 279460), (785, 256676), (890, 226394), (1030, 195622), (1099, 183340), (1246, 161710), (1442, 139730), (1570, 128338), (1780, 113197), (2060, 97811), (2198, 91670), (2492, 80855), (2884, 69865), (3115, 64684), (3140, 64169), (3605, 55892), (4396, 45835), (5495, 36668), (6230, 32342), (7210, 27946), (9167, 21980), (10990, 18334), (12460, 16171), (13973, 14420)]