3971240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1122

約数の個数: 64

約数和(自身を含む): 11007360

約数和(自身を除く): 7036120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1091, 1820, 2182, 3640, 4364, 5455, 7637, 8728, 10910, 14183, 15274, 21820, 28366, 30548, 38185, 43640, 56732, 61096, 70915, 76370, 99281, 113464, 141830, 152740, 198562, 283660, 305480, 397124, 496405, 567320, 794248, 992810, 1985620, 3971240]

約数ペア:

[(1, 3971240), (2, 1985620), (4, 992810), (5, 794248), (7, 567320), (8, 496405), (10, 397124), (13, 305480), (14, 283660), (20, 198562), (26, 152740), (28, 141830), (35, 113464), (40, 99281), (52, 76370), (56, 70915), (65, 61096), (70, 56732), (91, 43640), (104, 38185), (130, 30548), (140, 28366), (182, 21820), (260, 15274), (280, 14183), (364, 10910), (455, 8728), (520, 7637), (728, 5455), (910, 4364), (1091, 3640), (1820, 2182)]