678751460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{1973}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 1448568576

約数和(自身を除く): 769817116

約数列:

[1, 2, 4, 5, 10, 20, 103, 167, 206, 334, 412, 515, 668, 835, 1030, 1670, 1973, 2060, 3340, 3946, 7892, 9865, 17201, 19730, 34402, 39460, 68804, 86005, 172010, 203219, 329491, 344020, 406438, 658982, 812876, 1016095, 1317964, 1647455, 2032190, 3294910, 4064380, 6589820, 33937573, 67875146, 135750292, 169687865, 339375730, 678751460]

約数ペア:

[(1, 678751460), (2, 339375730), (4, 169687865), (5, 135750292), (10, 67875146), (20, 33937573), (103, 6589820), (167, 4064380), (206, 3294910), (334, 2032190), (412, 1647455), (515, 1317964), (668, 1016095), (835, 812876), (1030, 658982), (1670, 406438), (1973, 344020), (2060, 329491), (3340, 203219), (3946, 172010), (7892, 86005), (9865, 68804), (17201, 39460), (19730, 34402)]