12400150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 26784000

約数和(自身を除く): 14383850

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 499, 710, 994, 998, 1775, 2485, 2495, 3493, 3550, 4970, 4990, 6986, 12425, 12475, 17465, 24850, 24950, 34930, 35429, 70858, 87325, 174650, 177145, 248003, 354290, 496006, 885725, 1240015, 1771450, 2480030, 6200075, 12400150]

約数ペア:

[(1, 12400150), (2, 6200075), (5, 2480030), (7, 1771450), (10, 1240015), (14, 885725), (25, 496006), (35, 354290), (50, 248003), (70, 177145), (71, 174650), (142, 87325), (175, 70858), (350, 35429), (355, 34930), (497, 24950), (499, 24850), (710, 17465), (994, 12475), (998, 12425), (1775, 6986), (2485, 4990), (2495, 4970), (3493, 3550)]