3950440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 64

約数和(自身を含む): 9797760

約数和(自身を除く): 5847320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 107, 130, 142, 214, 260, 284, 355, 428, 520, 535, 568, 710, 856, 923, 1070, 1391, 1420, 1846, 2140, 2782, 2840, 3692, 4280, 4615, 5564, 6955, 7384, 7597, 9230, 11128, 13910, 15194, 18460, 27820, 30388, 36920, 37985, 55640, 60776, 75970, 98761, 151940, 197522, 303880, 395044, 493805, 790088, 987610, 1975220, 3950440]

約数ペア:

[(1, 3950440), (2, 1975220), (4, 987610), (5, 790088), (8, 493805), (10, 395044), (13, 303880), (20, 197522), (26, 151940), (40, 98761), (52, 75970), (65, 60776), (71, 55640), (104, 37985), (107, 36920), (130, 30388), (142, 27820), (214, 18460), (260, 15194), (284, 13910), (355, 11128), (428, 9230), (520, 7597), (535, 7384), (568, 6955), (710, 5564), (856, 4615), (923, 4280), (1070, 3692), (1391, 2840), (1420, 2782), (1846, 2140)]