64870750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1994

約数の個数: 64

約数和(自身を含む): 146165760

約数和(自身を除く): 81295010

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 125, 133, 175, 190, 250, 266, 350, 475, 665, 875, 950, 1330, 1750, 1951, 2375, 3325, 3902, 4750, 6650, 9755, 13657, 16625, 19510, 27314, 33250, 37069, 48775, 68285, 74138, 97550, 136570, 185345, 243875, 259483, 341425, 370690, 487750, 518966, 682850, 926725, 1297415, 1707125, 1853450, 2594830, 3414250, 4633625, 6487075, 9267250, 12974150, 32435375, 64870750]

約数ペア:

[(1, 64870750), (2, 32435375), (5, 12974150), (7, 9267250), (10, 6487075), (14, 4633625), (19, 3414250), (25, 2594830), (35, 1853450), (38, 1707125), (50, 1297415), (70, 926725), (95, 682850), (125, 518966), (133, 487750), (175, 370690), (190, 341425), (250, 259483), (266, 243875), (350, 185345), (475, 136570), (665, 97550), (875, 74138), (950, 68285), (1330, 48775), (1750, 37069), (1951, 33250), (2375, 27314), (3325, 19510), (3902, 16625), (4750, 13657), (6650, 9755)]