1277251700

素因数分解:

$2^2\times 5^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:921

約数の個数: 72

約数和(自身を含む): 2815153152

約数和(自身を除く): 1537901452

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 127, 163, 254, 326, 508, 617, 635, 652, 815, 1234, 1270, 1630, 2468, 2540, 3085, 3175, 3260, 4075, 6170, 6350, 8150, 12340, 12700, 15425, 16300, 20701, 30850, 41402, 61700, 78359, 82804, 100571, 103505, 156718, 201142, 207010, 313436, 391795, 402284, 414020, 502855, 517525, 783590, 1005710, 1035050, 1567180, 1958975, 2011420, 2070100, 2514275, 3917950, 5028550, 7835900, 10057100, 12772517, 25545034, 51090068, 63862585, 127725170, 255450340, 319312925, 638625850, 1277251700]

約数ペア:

[(1, 1277251700), (2, 638625850), (4, 319312925), (5, 255450340), (10, 127725170), (20, 63862585), (25, 51090068), (50, 25545034), (100, 12772517), (127, 10057100), (163, 7835900), (254, 5028550), (326, 3917950), (508, 2514275), (617, 2070100), (635, 2011420), (652, 1958975), (815, 1567180), (1234, 1035050), (1270, 1005710), (1630, 783590), (2468, 517525), (2540, 502855), (3085, 414020), (3175, 402284), (3260, 391795), (4075, 313436), (6170, 207010), (6350, 201142), (8150, 156718), (12340, 103505), (12700, 100571), (15425, 82804), (16300, 78359), (20701, 61700), (30850, 41402)]