131774020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{25439}}^1$

素因数の和:25492

約数の個数: 48

約数和(自身を含む): 324817920

約数和(自身を除く): 193043900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 25439, 50878, 101756, 127195, 178073, 254390, 356146, 508780, 712292, 890365, 941243, 1780730, 1882486, 3561460, 3764972, 4706215, 6588701, 9412430, 13177402, 18824860, 26354804, 32943505, 65887010, 131774020]

約数ペア:

[(1, 131774020), (2, 65887010), (4, 32943505), (5, 26354804), (7, 18824860), (10, 13177402), (14, 9412430), (20, 6588701), (28, 4706215), (35, 3764972), (37, 3561460), (70, 1882486), (74, 1780730), (140, 941243), (148, 890365), (185, 712292), (259, 508780), (370, 356146), (518, 254390), (740, 178073), (1036, 127195), (1295, 101756), (2590, 50878), (5180, 25439)]