310901975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 413411040

約数和(自身を除く): 102509065

約数列:

[1, 5, 25, 41, 53, 59, 97, 205, 265, 295, 485, 1025, 1325, 1475, 2173, 2419, 2425, 3127, 3977, 5141, 5723, 10865, 12095, 15635, 19885, 25705, 28615, 54325, 60475, 78175, 99425, 128207, 128525, 143075, 210781, 234643, 303319, 641035, 1053905, 1173215, 1516595, 3205175, 5269525, 5866075, 7582975, 12436079, 62180395, 310901975]

約数ペア:

[(1, 310901975), (5, 62180395), (25, 12436079), (41, 7582975), (53, 5866075), (59, 5269525), (97, 3205175), (205, 1516595), (265, 1173215), (295, 1053905), (485, 641035), (1025, 303319), (1325, 234643), (1475, 210781), (2173, 143075), (2419, 128525), (2425, 128207), (3127, 99425), (3977, 78175), (5141, 60475), (5723, 54325), (10865, 28615), (12095, 25705), (15635, 19885)]