64871450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2631

約数の個数: 48

約数和(自身を含む): 139842240

約数和(自身を除く): 74970790

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 73, 146, 175, 350, 365, 511, 730, 1022, 1825, 2539, 2555, 3650, 5078, 5110, 12695, 12775, 17773, 25390, 25550, 35546, 63475, 88865, 126950, 177730, 185347, 370694, 444325, 888650, 926735, 1297429, 1853470, 2594858, 4633675, 6487145, 9267350, 12974290, 32435725, 64871450]

約数ペア:

[(1, 64871450), (2, 32435725), (5, 12974290), (7, 9267350), (10, 6487145), (14, 4633675), (25, 2594858), (35, 1853470), (50, 1297429), (70, 926735), (73, 888650), (146, 444325), (175, 370694), (350, 185347), (365, 177730), (511, 126950), (730, 88865), (1022, 63475), (1825, 35546), (2539, 25550), (2555, 25390), (3650, 17773), (5078, 12775), (5110, 12695)]