849094540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{521}}^1\times {\mathrm{1663}}^1$

素因数の和:2207

約数の個数: 72

約数和(自身を含む): 2079447552

約数和(自身を除く): 1230353012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 521, 980, 1042, 1663, 2084, 2605, 3326, 3647, 5210, 6652, 7294, 8315, 10420, 11641, 14588, 16630, 18235, 23282, 25529, 33260, 36470, 46564, 51058, 58205, 72940, 81487, 102116, 116410, 127645, 162974, 232820, 255290, 325948, 407435, 510580, 814870, 866423, 1629740, 1732846, 3465692, 4332115, 6064961, 8664230, 12129922, 17328460, 24259844, 30324805, 42454727, 60649610, 84909454, 121299220, 169818908, 212273635, 424547270, 849094540]

約数ペア:

[(1, 849094540), (2, 424547270), (4, 212273635), (5, 169818908), (7, 121299220), (10, 84909454), (14, 60649610), (20, 42454727), (28, 30324805), (35, 24259844), (49, 17328460), (70, 12129922), (98, 8664230), (140, 6064961), (196, 4332115), (245, 3465692), (490, 1732846), (521, 1629740), (980, 866423), (1042, 814870), (1663, 510580), (2084, 407435), (2605, 325948), (3326, 255290), (3647, 232820), (5210, 162974), (6652, 127645), (7294, 116410), (8315, 102116), (10420, 81487), (11641, 72940), (14588, 58205), (16630, 51058), (18235, 46564), (23282, 36470), (25529, 33260)]