212435800

素因数分解:

$2^3\times 5^2\times {\mathrm{331}}^1\times {\mathrm{3209}}^1$

素因数の和:3556

約数の個数: 48

約数和(自身を含む): 495559800

約数和(自身を除く): 283124000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 331, 662, 1324, 1655, 2648, 3209, 3310, 6418, 6620, 8275, 12836, 13240, 16045, 16550, 25672, 32090, 33100, 64180, 66200, 80225, 128360, 160450, 320900, 641800, 1062179, 2124358, 4248716, 5310895, 8497432, 10621790, 21243580, 26554475, 42487160, 53108950, 106217900, 212435800]

約数ペア:

[(1, 212435800), (2, 106217900), (4, 53108950), (5, 42487160), (8, 26554475), (10, 21243580), (20, 10621790), (25, 8497432), (40, 5310895), (50, 4248716), (100, 2124358), (200, 1062179), (331, 641800), (662, 320900), (1324, 160450), (1655, 128360), (2648, 80225), (3209, 66200), (3310, 64180), (6418, 33100), (6620, 32090), (8275, 25672), (12836, 16550), (13240, 16045)]