1257151490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1\times {\mathrm{491}}^1$

素因数の和:1047

約数の個数: 64

約数和(自身を含む): 2629877760

約数和(自身を除く): 1372726270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 463, 491, 553, 790, 926, 982, 1106, 2315, 2455, 2765, 3241, 3437, 4630, 4910, 5530, 6482, 6874, 16205, 17185, 32410, 34370, 36577, 38789, 73154, 77578, 182885, 193945, 227333, 256039, 271523, 365770, 387890, 454666, 512078, 543046, 1136665, 1280195, 1357615, 1591331, 2273330, 2560390, 2715230, 3182662, 7956655, 15913310, 17959307, 35918614, 89796535, 125715149, 179593070, 251430298, 628575745, 1257151490]

約数ペア:

[(1, 1257151490), (2, 628575745), (5, 251430298), (7, 179593070), (10, 125715149), (14, 89796535), (35, 35918614), (70, 17959307), (79, 15913310), (158, 7956655), (395, 3182662), (463, 2715230), (491, 2560390), (553, 2273330), (790, 1591331), (926, 1357615), (982, 1280195), (1106, 1136665), (2315, 543046), (2455, 512078), (2765, 454666), (3241, 387890), (3437, 365770), (4630, 271523), (4910, 256039), (5530, 227333), (6482, 193945), (6874, 182885), (16205, 77578), (17185, 73154), (32410, 38789), (34370, 36577)]