248987375

素因数分解:

$5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 403341120

約数和(自身を除く): 154353745

約数列:

[1, 5, 7, 13, 25, 35, 49, 53, 59, 65, 91, 125, 175, 245, 265, 295, 325, 371, 413, 455, 637, 689, 767, 875, 1225, 1325, 1475, 1625, 1855, 2065, 2275, 2597, 2891, 3127, 3185, 3445, 3835, 4823, 5369, 6125, 6625, 7375, 9275, 10325, 11375, 12985, 14455, 15635, 15925, 17225, 19175, 21889, 24115, 26845, 33761, 37583, 40651, 46375, 51625, 64925, 72275, 78175, 79625, 86125, 95875, 109445, 120575, 134225, 153223, 168805, 187915, 203255, 284557, 324625, 361375, 390875, 547225, 602875, 671125, 766115, 844025, 939575, 1016275, 1422785, 1991899, 2736125, 3830575, 4220125, 4697875, 5081375, 7113925, 9959495, 19152875, 35569625, 49797475, 248987375]

約数ペア:

[(1, 248987375), (5, 49797475), (7, 35569625), (13, 19152875), (25, 9959495), (35, 7113925), (49, 5081375), (53, 4697875), (59, 4220125), (65, 3830575), (91, 2736125), (125, 1991899), (175, 1422785), (245, 1016275), (265, 939575), (295, 844025), (325, 766115), (371, 671125), (413, 602875), (455, 547225), (637, 390875), (689, 361375), (767, 324625), (875, 284557), (1225, 203255), (1325, 187915), (1475, 168805), (1625, 153223), (1855, 134225), (2065, 120575), (2275, 109445), (2597, 95875), (2891, 86125), (3127, 79625), (3185, 78175), (3445, 72275), (3835, 64925), (4823, 51625), (5369, 46375), (6125, 40651), (6625, 37583), (7375, 33761), (9275, 26845), (10325, 24115), (11375, 21889), (12985, 19175), (14455, 17225), (15635, 15925)]