90979140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{216617}}^1$

素因数の和:216636

約数の個数: 48

約数和(自身を含む): 291134592

約数和(自身を除く): 200155452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 216617, 433234, 649851, 866468, 1083085, 1299702, 1516319, 2166170, 2599404, 3032638, 3249255, 4332340, 4548957, 6065276, 6498510, 7581595, 9097914, 12997020, 15163190, 18195828, 22744785, 30326380, 45489570, 90979140]

約数ペア:

[(1, 90979140), (2, 45489570), (3, 30326380), (4, 22744785), (5, 18195828), (6, 15163190), (7, 12997020), (10, 9097914), (12, 7581595), (14, 6498510), (15, 6065276), (20, 4548957), (21, 4332340), (28, 3249255), (30, 3032638), (35, 2599404), (42, 2166170), (60, 1516319), (70, 1299702), (84, 1083085), (105, 866468), (140, 649851), (210, 433234), (420, 216617)]