310891490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17981}}^1$

素因数の和:18027

約数の個数: 64

約数和(自身を含む): 725034240

約数和(自身を除く): 414142750

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 8645, 17290, 17981, 35962, 89905, 125867, 179810, 233753, 251734, 341639, 467506, 629335, 683278, 1168765, 1258670, 1636271, 1708195, 2337530, 2391473, 3272542, 3416390, 4441307, 4782946, 8181355, 8882614, 11957365, 16362710, 22206535, 23914730, 31089149, 44413070, 62178298, 155445745, 310891490]

約数ペア:

[(1, 310891490), (2, 155445745), (5, 62178298), (7, 44413070), (10, 31089149), (13, 23914730), (14, 22206535), (19, 16362710), (26, 11957365), (35, 8882614), (38, 8181355), (65, 4782946), (70, 4441307), (91, 3416390), (95, 3272542), (130, 2391473), (133, 2337530), (182, 1708195), (190, 1636271), (247, 1258670), (266, 1168765), (455, 683278), (494, 629335), (665, 467506), (910, 341639), (1235, 251734), (1330, 233753), (1729, 179810), (2470, 125867), (3458, 89905), (8645, 35962), (17290, 17981)]