42558140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 97994400

約数和(自身を除く): 55436260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 199, 289, 340, 370, 398, 578, 629, 740, 796, 995, 1156, 1258, 1445, 1990, 2516, 2890, 3145, 3383, 3980, 5780, 6290, 6766, 7363, 10693, 12580, 13532, 14726, 16915, 21386, 29452, 33830, 36815, 42772, 53465, 57511, 67660, 73630, 106930, 115022, 125171, 147260, 213860, 230044, 250342, 287555, 500684, 575110, 625855, 1150220, 1251710, 2127907, 2503420, 4255814, 8511628, 10639535, 21279070, 42558140]

約数ペア:

[(1, 42558140), (2, 21279070), (4, 10639535), (5, 8511628), (10, 4255814), (17, 2503420), (20, 2127907), (34, 1251710), (37, 1150220), (68, 625855), (74, 575110), (85, 500684), (148, 287555), (170, 250342), (185, 230044), (199, 213860), (289, 147260), (340, 125171), (370, 115022), (398, 106930), (578, 73630), (629, 67660), (740, 57511), (796, 53465), (995, 42772), (1156, 36815), (1258, 33830), (1445, 29452), (1990, 21386), (2516, 16915), (2890, 14726), (3145, 13532), (3383, 12580), (3980, 10693), (5780, 7363), (6290, 6766)]