7273240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 17962560

約数和(自身を除く): 10689320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 197, 260, 284, 355, 394, 520, 568, 710, 788, 923, 985, 1420, 1576, 1846, 1970, 2561, 2840, 3692, 3940, 4615, 5122, 7384, 7880, 9230, 10244, 12805, 13987, 18460, 20488, 25610, 27974, 36920, 51220, 55948, 69935, 102440, 111896, 139870, 181831, 279740, 363662, 559480, 727324, 909155, 1454648, 1818310, 3636620, 7273240]

約数ペア:

[(1, 7273240), (2, 3636620), (4, 1818310), (5, 1454648), (8, 909155), (10, 727324), (13, 559480), (20, 363662), (26, 279740), (40, 181831), (52, 139870), (65, 111896), (71, 102440), (104, 69935), (130, 55948), (142, 51220), (197, 36920), (260, 27974), (284, 25610), (355, 20488), (394, 18460), (520, 13987), (568, 12805), (710, 10244), (788, 9230), (923, 7880), (985, 7384), (1420, 5122), (1576, 4615), (1846, 3940), (1970, 3692), (2561, 2840)]