278690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:98

約数の個数: 24

約数和(自身を含む): 536220

約数和(自身を除く): 257530

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 961, 1798, 1922, 4495, 4805, 8990, 9610, 27869, 55738, 139345, 278690]

約数ペア:

[(1, 278690), (2, 139345), (5, 55738), (10, 27869), (29, 9610), (31, 8990), (58, 4805), (62, 4495), (145, 1922), (155, 1798), (290, 961), (310, 899)]