1212690620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{22073}}^1$

素因数の和:22190

約数の個数: 48

約数和(自身を含む): 2647820448

約数和(自身を除く): 1435129828

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 670, 820, 1340, 2747, 5494, 10988, 13735, 22073, 27470, 44146, 54940, 88292, 110365, 220730, 441460, 904993, 1478891, 1809986, 2957782, 3619972, 4524965, 5915564, 7394455, 9049930, 14788910, 18099860, 29577820, 60634531, 121269062, 242538124, 303172655, 606345310, 1212690620]

約数ペア:

[(1, 1212690620), (2, 606345310), (4, 303172655), (5, 242538124), (10, 121269062), (20, 60634531), (41, 29577820), (67, 18099860), (82, 14788910), (134, 9049930), (164, 7394455), (205, 5915564), (268, 4524965), (335, 3619972), (410, 2957782), (670, 1809986), (820, 1478891), (1340, 904993), (2747, 441460), (5494, 220730), (10988, 110365), (13735, 88292), (22073, 54940), (27470, 44146)]