78918875

素因数分解:

$5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 122204160

約数和(自身を除く): 43285285

約数列:

[1, 5, 7, 19, 25, 35, 47, 95, 101, 125, 133, 175, 235, 329, 475, 505, 665, 707, 875, 893, 1175, 1645, 1919, 2375, 2525, 3325, 3535, 4465, 4747, 5875, 6251, 8225, 9595, 12625, 13433, 16625, 17675, 22325, 23735, 31255, 33229, 41125, 47975, 67165, 88375, 90193, 111625, 118675, 156275, 166145, 239875, 335825, 450965, 593375, 631351, 781375, 830725, 1679125, 2254825, 3156755, 4153625, 11274125, 15783775, 78918875]

約数ペア:

[(1, 78918875), (5, 15783775), (7, 11274125), (19, 4153625), (25, 3156755), (35, 2254825), (47, 1679125), (95, 830725), (101, 781375), (125, 631351), (133, 593375), (175, 450965), (235, 335825), (329, 239875), (475, 166145), (505, 156275), (665, 118675), (707, 111625), (875, 90193), (893, 88375), (1175, 67165), (1645, 47975), (1919, 41125), (2375, 33229), (2525, 31255), (3325, 23735), (3535, 22325), (4465, 17675), (4747, 16625), (5875, 13433), (6251, 12625), (8225, 9595)]