18178100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^3\times {\mathrm{37}}^1$

素因数の和:102

約数の個数: 72

約数和(自身を含む): 43044120

約数和(自身を除く): 24866020

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 37, 50, 68, 74, 85, 100, 148, 170, 185, 289, 340, 370, 425, 578, 629, 740, 850, 925, 1156, 1258, 1445, 1700, 1850, 2516, 2890, 3145, 3700, 4913, 5780, 6290, 7225, 9826, 10693, 12580, 14450, 15725, 19652, 21386, 24565, 28900, 31450, 42772, 49130, 53465, 62900, 98260, 106930, 122825, 181781, 213860, 245650, 267325, 363562, 491300, 534650, 727124, 908905, 1069300, 1817810, 3635620, 4544525, 9089050, 18178100]

約数ペア:

[(1, 18178100), (2, 9089050), (4, 4544525), (5, 3635620), (10, 1817810), (17, 1069300), (20, 908905), (25, 727124), (34, 534650), (37, 491300), (50, 363562), (68, 267325), (74, 245650), (85, 213860), (100, 181781), (148, 122825), (170, 106930), (185, 98260), (289, 62900), (340, 53465), (370, 49130), (425, 42772), (578, 31450), (629, 28900), (740, 24565), (850, 21386), (925, 19652), (1156, 15725), (1258, 14450), (1445, 12580), (1700, 10693), (1850, 9826), (2516, 7225), (2890, 6290), (3145, 5780), (3700, 4913)]