90470180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{683}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 196499520

約数和(自身を除く): 106029340

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 179, 185, 358, 370, 683, 716, 740, 895, 1366, 1790, 2732, 3415, 3580, 6623, 6830, 13246, 13660, 25271, 26492, 33115, 50542, 66230, 101084, 122257, 126355, 132460, 244514, 252710, 489028, 505420, 611285, 1222570, 2445140, 4523509, 9047018, 18094036, 22617545, 45235090, 90470180]

約数ペア:

[(1, 90470180), (2, 45235090), (4, 22617545), (5, 18094036), (10, 9047018), (20, 4523509), (37, 2445140), (74, 1222570), (148, 611285), (179, 505420), (185, 489028), (358, 252710), (370, 244514), (683, 132460), (716, 126355), (740, 122257), (895, 101084), (1366, 66230), (1790, 50542), (2732, 33115), (3415, 26492), (3580, 25271), (6623, 13660), (6830, 13246)]