420361620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1000861}}^1$

素因数の和:1000880

約数の個数: 48

約数和(自身を含む): 1345158528

約数和(自身を除く): 924796908

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, 1000861, 2001722, 3002583, 4003444, 5004305, 6005166, 7006027, 10008610, 12010332, 14012054, 15012915, 20017220, 21018081, 28024108, 30025830, 35030135, 42036162, 60051660, 70060270, 84072324, 105090405, 140120540, 210180810, 420361620]

約数ペア:

[(1, 420361620), (2, 210180810), (3, 140120540), (4, 105090405), (5, 84072324), (6, 70060270), (7, 60051660), (10, 42036162), (12, 35030135), (14, 30025830), (15, 28024108), (20, 21018081), (21, 20017220), (28, 15012915), (30, 14012054), (35, 12010332), (42, 10008610), (60, 7006027), (70, 6005166), (84, 5004305), (105, 4003444), (140, 3002583), (210, 2001722), (420, 1000861)]