90739540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{7213}}^1$

素因数の和:7276

約数の個数: 48

約数和(自身を含む): 207243792

約数和(自身を除く): 116504252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 7213, 12580, 14426, 28852, 36065, 72130, 122621, 144260, 245242, 266881, 490484, 533762, 613105, 1067524, 1226210, 1334405, 2452420, 2668810, 4536977, 5337620, 9073954, 18147908, 22684885, 45369770, 90739540]

約数ペア:

[(1, 90739540), (2, 45369770), (4, 22684885), (5, 18147908), (10, 9073954), (17, 5337620), (20, 4536977), (34, 2668810), (37, 2452420), (68, 1334405), (74, 1226210), (85, 1067524), (148, 613105), (170, 533762), (185, 490484), (340, 266881), (370, 245242), (629, 144260), (740, 122621), (1258, 72130), (2516, 36065), (3145, 28852), (6290, 14426), (7213, 12580)]