202591490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 397837440

約数和(自身を除く): 195245950

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 137, 181, 190, 215, 274, 362, 430, 685, 817, 905, 1370, 1634, 1810, 2603, 3439, 4085, 5206, 5891, 6878, 7783, 8170, 11782, 13015, 15566, 17195, 24797, 26030, 29455, 34390, 38915, 49594, 58910, 77830, 111929, 123985, 147877, 223858, 247970, 295754, 471143, 559645, 739385, 942286, 1066271, 1119290, 1478770, 2132542, 2355715, 4711430, 5331355, 10662710, 20259149, 40518298, 101295745, 202591490]

約数ペア:

[(1, 202591490), (2, 101295745), (5, 40518298), (10, 20259149), (19, 10662710), (38, 5331355), (43, 4711430), (86, 2355715), (95, 2132542), (137, 1478770), (181, 1119290), (190, 1066271), (215, 942286), (274, 739385), (362, 559645), (430, 471143), (685, 295754), (817, 247970), (905, 223858), (1370, 147877), (1634, 123985), (1810, 111929), (2603, 77830), (3439, 58910), (4085, 49594), (5206, 38915), (5891, 34390), (6878, 29455), (7783, 26030), (8170, 24797), (11782, 17195), (13015, 15566)]