313331380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{3251}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 677456640

約数和(自身を除く): 364125260

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 610, 790, 1220, 1580, 3251, 4819, 6502, 9638, 13004, 16255, 19276, 24095, 32510, 48190, 65020, 96380, 198311, 256829, 396622, 513658, 793244, 991555, 1027316, 1284145, 1983110, 2568290, 3966220, 5136580, 15666569, 31333138, 62666276, 78332845, 156665690, 313331380]

約数ペア:

[(1, 313331380), (2, 156665690), (4, 78332845), (5, 62666276), (10, 31333138), (20, 15666569), (61, 5136580), (79, 3966220), (122, 2568290), (158, 1983110), (244, 1284145), (305, 1027316), (316, 991555), (395, 793244), (610, 513658), (790, 396622), (1220, 256829), (1580, 198311), (3251, 96380), (4819, 65020), (6502, 48190), (9638, 32510), (13004, 24095), (16255, 19276)]