215510920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12329}}^1$

素因数の和:12382

約数の個数: 64

約数和(自身を含む): 532656000

約数和(自身を除く): 317145080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8740, 12329, 17480, 24658, 49316, 61645, 98632, 123290, 234251, 246580, 283567, 468502, 493160, 567134, 937004, 1134268, 1171255, 1417835, 1874008, 2268536, 2342510, 2835670, 4685020, 5387773, 5671340, 9370040, 10775546, 11342680, 21551092, 26938865, 43102184, 53877730, 107755460, 215510920]

約数ペア:

[(1, 215510920), (2, 107755460), (4, 53877730), (5, 43102184), (8, 26938865), (10, 21551092), (19, 11342680), (20, 10775546), (23, 9370040), (38, 5671340), (40, 5387773), (46, 4685020), (76, 2835670), (92, 2342510), (95, 2268536), (115, 1874008), (152, 1417835), (184, 1171255), (190, 1134268), (230, 937004), (380, 567134), (437, 493160), (460, 468502), (760, 283567), (874, 246580), (920, 234251), (1748, 123290), (2185, 98632), (3496, 61645), (4370, 49316), (8740, 24658), (12329, 17480)]