212233980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{505319}}^1$

素因数の和:505338

約数の個数: 48

約数和(自身を含む): 679150080

約数和(自身を除く): 466916100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 505319, 1010638, 1515957, 2021276, 2526595, 3031914, 3537233, 5053190, 6063828, 7074466, 7579785, 10106380, 10611699, 14148932, 15159570, 17686165, 21223398, 30319140, 35372330, 42446796, 53058495, 70744660, 106116990, 212233980]

約数ペア:

[(1, 212233980), (2, 106116990), (3, 70744660), (4, 53058495), (5, 42446796), (6, 35372330), (7, 30319140), (10, 21223398), (12, 17686165), (14, 15159570), (15, 14148932), (20, 10611699), (21, 10106380), (28, 7579785), (30, 7074466), (35, 6063828), (42, 5053190), (60, 3537233), (70, 3031914), (84, 2526595), (105, 2021276), (140, 1515957), (210, 1010638), (420, 505319)]