317996920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1667}}^1$

素因数の和:1948

約数の個数: 64

約数和(自身を含む): 756604800

約数和(自身を除く): 438607880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 251, 380, 502, 760, 1004, 1255, 1667, 2008, 2510, 3334, 4769, 5020, 6668, 8335, 9538, 10040, 13336, 16670, 19076, 23845, 31673, 33340, 38152, 47690, 63346, 66680, 95380, 126692, 158365, 190760, 253384, 316730, 418417, 633460, 836834, 1266920, 1673668, 2092085, 3347336, 4184170, 7949923, 8368340, 15899846, 16736680, 31799692, 39749615, 63599384, 79499230, 158998460, 317996920]

約数ペア:

[(1, 317996920), (2, 158998460), (4, 79499230), (5, 63599384), (8, 39749615), (10, 31799692), (19, 16736680), (20, 15899846), (38, 8368340), (40, 7949923), (76, 4184170), (95, 3347336), (152, 2092085), (190, 1673668), (251, 1266920), (380, 836834), (502, 633460), (760, 418417), (1004, 316730), (1255, 253384), (1667, 190760), (2008, 158365), (2510, 126692), (3334, 95380), (4769, 66680), (5020, 63346), (6668, 47690), (8335, 38152), (9538, 33340), (10040, 31673), (13336, 23845), (16670, 19076)]