78750800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:385

約数の個数: 120

約数和(自身を含む): 206399736

約数和(自身を除く): 127648936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 37, 40, 50, 68, 74, 80, 85, 100, 136, 148, 170, 185, 200, 272, 296, 313, 340, 370, 400, 425, 592, 626, 629, 680, 740, 850, 925, 1252, 1258, 1360, 1480, 1565, 1700, 1850, 2504, 2516, 2960, 3130, 3145, 3400, 3700, 5008, 5032, 5321, 6260, 6290, 6800, 7400, 7825, 10064, 10642, 11581, 12520, 12580, 14800, 15650, 15725, 21284, 23162, 25040, 25160, 26605, 31300, 31450, 42568, 46324, 50320, 53210, 57905, 62600, 62900, 85136, 92648, 106420, 115810, 125200, 125800, 133025, 185296, 196877, 212840, 231620, 251600, 266050, 289525, 393754, 425680, 463240, 532100, 579050, 787508, 926480, 984385, 1064200, 1158100, 1575016, 1968770, 2128400, 2316200, 3150032, 3937540, 4632400, 4921925, 7875080, 9843850, 15750160, 19687700, 39375400, 78750800]

約数ペア:

[(1, 78750800), (2, 39375400), (4, 19687700), (5, 15750160), (8, 9843850), (10, 7875080), (16, 4921925), (17, 4632400), (20, 3937540), (25, 3150032), (34, 2316200), (37, 2128400), (40, 1968770), (50, 1575016), (68, 1158100), (74, 1064200), (80, 984385), (85, 926480), (100, 787508), (136, 579050), (148, 532100), (170, 463240), (185, 425680), (200, 393754), (272, 289525), (296, 266050), (313, 251600), (340, 231620), (370, 212840), (400, 196877), (425, 185296), (592, 133025), (626, 125800), (629, 125200), (680, 115810), (740, 106420), (850, 92648), (925, 85136), (1252, 62900), (1258, 62600), (1360, 57905), (1480, 53210), (1565, 50320), (1700, 46324), (1850, 42568), (2504, 31450), (2516, 31300), (2960, 26605), (3130, 25160), (3145, 25040), (3400, 23162), (3700, 21284), (5008, 15725), (5032, 15650), (5321, 14800), (6260, 12580), (6290, 12520), (6800, 11581), (7400, 10642), (7825, 10064)]