247938340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12071}}^1$

素因数の和:12172

約数の個数: 48

約数和(自身を含む): 567866880

約数和(自身を除く): 319928540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 12071, 20540, 24142, 48284, 60355, 120710, 156923, 241420, 313846, 627692, 784615, 953609, 1569230, 1907218, 3138460, 3814436, 4768045, 9536090, 12396917, 19072180, 24793834, 49587668, 61984585, 123969170, 247938340]

約数ペア:

[(1, 247938340), (2, 123969170), (4, 61984585), (5, 49587668), (10, 24793834), (13, 19072180), (20, 12396917), (26, 9536090), (52, 4768045), (65, 3814436), (79, 3138460), (130, 1907218), (158, 1569230), (260, 953609), (316, 784615), (395, 627692), (790, 313846), (1027, 241420), (1580, 156923), (2054, 120710), (4108, 60355), (5135, 48284), (10270, 24142), (12071, 20540)]