210394520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{24239}}^1$

素因数の和:24288

約数の個数: 64

約数和(自身を含む): 558489600

約数和(自身を除く): 348095080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 24239, 48478, 96956, 121195, 169673, 193912, 242390, 339346, 484780, 678692, 751409, 848365, 969560, 1357384, 1502818, 1696730, 3005636, 3393460, 3757045, 5259863, 6011272, 6786920, 7514090, 10519726, 15028180, 21039452, 26299315, 30056360, 42078904, 52598630, 105197260, 210394520]

約数ペア:

[(1, 210394520), (2, 105197260), (4, 52598630), (5, 42078904), (7, 30056360), (8, 26299315), (10, 21039452), (14, 15028180), (20, 10519726), (28, 7514090), (31, 6786920), (35, 6011272), (40, 5259863), (56, 3757045), (62, 3393460), (70, 3005636), (124, 1696730), (140, 1502818), (155, 1357384), (217, 969560), (248, 848365), (280, 751409), (310, 678692), (434, 484780), (620, 339346), (868, 242390), (1085, 193912), (1240, 169673), (1736, 121195), (2170, 96956), (4340, 48478), (8680, 24239)]