1458340

素因数分解:

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

素因数の和:172

約数の個数: 48

約数和(自身を含む): 3386880

約数和(自身を除く): 1928540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 79, 130, 142, 158, 260, 284, 316, 355, 395, 710, 790, 923, 1027, 1420, 1580, 1846, 2054, 3692, 4108, 4615, 5135, 5609, 9230, 10270, 11218, 18460, 20540, 22436, 28045, 56090, 72917, 112180, 145834, 291668, 364585, 729170, 1458340]

約数ペア:

[(1, 1458340), (2, 729170), (4, 364585), (5, 291668), (10, 145834), (13, 112180), (20, 72917), (26, 56090), (52, 28045), (65, 22436), (71, 20540), (79, 18460), (130, 11218), (142, 10270), (158, 9230), (260, 5609), (284, 5135), (316, 4615), (355, 4108), (395, 3692), (710, 2054), (790, 1846), (923, 1580), (1027, 1420)]