1569202660

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{1997}}^1$

素因数の和:2496

約数の個数: 48

約数和(自身を含む): 3338178480

約数和(自身を除く): 1768975820

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 389, 404, 505, 778, 1010, 1556, 1945, 1997, 2020, 3890, 3994, 7780, 7988, 9985, 19970, 39289, 39940, 78578, 157156, 196445, 201697, 392890, 403394, 776833, 785780, 806788, 1008485, 1553666, 2016970, 3107332, 3884165, 4033940, 7768330, 15536660, 78460133, 156920266, 313840532, 392300665, 784601330, 1569202660]

約数ペア:

[(1, 1569202660), (2, 784601330), (4, 392300665), (5, 313840532), (10, 156920266), (20, 78460133), (101, 15536660), (202, 7768330), (389, 4033940), (404, 3884165), (505, 3107332), (778, 2016970), (1010, 1553666), (1556, 1008485), (1945, 806788), (1997, 785780), (2020, 776833), (3890, 403394), (3994, 392890), (7780, 201697), (7988, 196445), (9985, 157156), (19970, 78578), (39289, 39940)]