140202340

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{881}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 301538160

約数和(自身を除く): 161335820

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 218, 292, 365, 436, 545, 730, 881, 1090, 1460, 1762, 2180, 3524, 4405, 7957, 8810, 15914, 17620, 31828, 39785, 64313, 79570, 96029, 128626, 159140, 192058, 257252, 321565, 384116, 480145, 643130, 960290, 1286260, 1920580, 7010117, 14020234, 28040468, 35050585, 70101170, 140202340]

約数ペア:

[(1, 140202340), (2, 70101170), (4, 35050585), (5, 28040468), (10, 14020234), (20, 7010117), (73, 1920580), (109, 1286260), (146, 960290), (218, 643130), (292, 480145), (365, 384116), (436, 321565), (545, 257252), (730, 192058), (881, 159140), (1090, 128626), (1460, 96029), (1762, 79570), (2180, 64313), (3524, 39785), (4405, 31828), (7957, 17620), (8810, 15914)]