436879820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{6389}}^1$

素因数の和:6674

約数の個数: 48

約数和(自身を含む): 991932480

約数和(自身を除く): 555052660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1315, 2630, 3419, 5260, 6389, 6838, 12778, 13676, 17095, 25556, 31945, 34190, 63890, 68380, 83057, 127780, 166114, 332228, 415285, 830570, 1661140, 1680307, 3360614, 6721228, 8401535, 16803070, 21843991, 33606140, 43687982, 87375964, 109219955, 218439910, 436879820]

約数ペア:

[(1, 436879820), (2, 218439910), (4, 109219955), (5, 87375964), (10, 43687982), (13, 33606140), (20, 21843991), (26, 16803070), (52, 8401535), (65, 6721228), (130, 3360614), (260, 1680307), (263, 1661140), (526, 830570), (1052, 415285), (1315, 332228), (2630, 166114), (3419, 127780), (5260, 83057), (6389, 68380), (6838, 63890), (12778, 34190), (13676, 31945), (17095, 25556)]