7291700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 17498880

約数和(自身を除く): 10207180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 79, 100, 130, 142, 158, 260, 284, 316, 325, 355, 395, 650, 710, 790, 923, 1027, 1300, 1420, 1580, 1775, 1846, 1975, 2054, 3550, 3692, 3950, 4108, 4615, 5135, 5609, 7100, 7900, 9230, 10270, 11218, 18460, 20540, 22436, 23075, 25675, 28045, 46150, 51350, 56090, 72917, 92300, 102700, 112180, 140225, 145834, 280450, 291668, 364585, 560900, 729170, 1458340, 1822925, 3645850, 7291700]

約数ペア:

[(1, 7291700), (2, 3645850), (4, 1822925), (5, 1458340), (10, 729170), (13, 560900), (20, 364585), (25, 291668), (26, 280450), (50, 145834), (52, 140225), (65, 112180), (71, 102700), (79, 92300), (100, 72917), (130, 56090), (142, 51350), (158, 46150), (260, 28045), (284, 25675), (316, 23075), (325, 22436), (355, 20540), (395, 18460), (650, 11218), (710, 10270), (790, 9230), (923, 7900), (1027, 7100), (1300, 5609), (1420, 5135), (1580, 4615), (1775, 4108), (1846, 3950), (1975, 3692), (2054, 3550)]