1974140740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{690259}}^1$

素因数の和:690292

約数の個数: 48

約数和(自身を含む): 4870474560

約数和(自身を除く): 2896333820

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 690259, 1380518, 2761036, 3451295, 6902590, 7592849, 8973367, 13805180, 15185698, 17946734, 30371396, 35893468, 37964245, 44866835, 75928490, 89733670, 98707037, 151856980, 179467340, 197414074, 394828148, 493535185, 987070370, 1974140740]

約数ペア:

[(1, 1974140740), (2, 987070370), (4, 493535185), (5, 394828148), (10, 197414074), (11, 179467340), (13, 151856980), (20, 98707037), (22, 89733670), (26, 75928490), (44, 44866835), (52, 37964245), (55, 35893468), (65, 30371396), (110, 17946734), (130, 15185698), (143, 13805180), (220, 8973367), (260, 7592849), (286, 6902590), (572, 3451295), (715, 2761036), (1430, 1380518), (2860, 690259)]