256792830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{2393}}^1$

素因数の和:2490

約数の個数: 96

約数和(自身を含む): 727048224

約数和(自身を除く): 470255394

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 73, 98, 105, 146, 147, 210, 219, 245, 294, 365, 438, 490, 511, 730, 735, 1022, 1095, 1470, 1533, 2190, 2393, 2555, 3066, 3577, 4786, 5110, 7154, 7179, 7665, 10731, 11965, 14358, 15330, 16751, 17885, 21462, 23930, 33502, 35770, 35895, 50253, 53655, 71790, 83755, 100506, 107310, 117257, 167510, 174689, 234514, 251265, 349378, 351771, 502530, 524067, 586285, 703542, 873445, 1048134, 1172570, 1222823, 1746890, 1758855, 2445646, 2620335, 3517710, 3668469, 5240670, 6114115, 7336938, 8559761, 12228230, 17119522, 18342345, 25679283, 36684690, 42798805, 51358566, 85597610, 128396415, 256792830]

約数ペア:

[(1, 256792830), (2, 128396415), (3, 85597610), (5, 51358566), (6, 42798805), (7, 36684690), (10, 25679283), (14, 18342345), (15, 17119522), (21, 12228230), (30, 8559761), (35, 7336938), (42, 6114115), (49, 5240670), (70, 3668469), (73, 3517710), (98, 2620335), (105, 2445646), (146, 1758855), (147, 1746890), (210, 1222823), (219, 1172570), (245, 1048134), (294, 873445), (365, 703542), (438, 586285), (490, 524067), (511, 502530), (730, 351771), (735, 349378), (1022, 251265), (1095, 234514), (1470, 174689), (1533, 167510), (2190, 117257), (2393, 107310), (2555, 100506), (3066, 83755), (3577, 71790), (4786, 53655), (5110, 50253), (7154, 35895), (7179, 35770), (7665, 33502), (10731, 23930), (11965, 21462), (14358, 17885), (15330, 16751)]