15303550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 30466800

約数和(自身を除く): 15163250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 89, 95, 178, 181, 190, 362, 445, 475, 890, 905, 950, 1691, 1810, 2225, 3382, 3439, 4450, 4525, 6878, 8455, 9050, 16109, 16910, 17195, 32218, 34390, 42275, 80545, 84550, 85975, 161090, 171950, 306071, 402725, 612142, 805450, 1530355, 3060710, 7651775, 15303550]

約数ペア:

[(1, 15303550), (2, 7651775), (5, 3060710), (10, 1530355), (19, 805450), (25, 612142), (38, 402725), (50, 306071), (89, 171950), (95, 161090), (178, 85975), (181, 84550), (190, 80545), (362, 42275), (445, 34390), (475, 32218), (890, 17195), (905, 16910), (950, 16109), (1691, 9050), (1810, 8455), (2225, 6878), (3382, 4525), (3439, 4450)]