387568480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{479}}^1$

素因数の和:896

約数の個数: 96

約数和(自身を含む): 990662400

約数和(自身を除く): 603093920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 389, 416, 479, 520, 778, 958, 1040, 1556, 1916, 1945, 2080, 2395, 3112, 3832, 3890, 4790, 5057, 6224, 6227, 7664, 7780, 9580, 10114, 12448, 12454, 15328, 15560, 19160, 20228, 24908, 25285, 31120, 31135, 38320, 40456, 49816, 50570, 62240, 62270, 76640, 80912, 99632, 101140, 124540, 161824, 186331, 199264, 202280, 249080, 372662, 404560, 498160, 745324, 809120, 931655, 996320, 1490648, 1863310, 2422303, 2981296, 3726620, 4844606, 5962592, 7453240, 9689212, 12111515, 14906480, 19378424, 24223030, 29812960, 38756848, 48446060, 77513696, 96892120, 193784240, 387568480]

約数ペア:

[(1, 387568480), (2, 193784240), (4, 96892120), (5, 77513696), (8, 48446060), (10, 38756848), (13, 29812960), (16, 24223030), (20, 19378424), (26, 14906480), (32, 12111515), (40, 9689212), (52, 7453240), (65, 5962592), (80, 4844606), (104, 3726620), (130, 2981296), (160, 2422303), (208, 1863310), (260, 1490648), (389, 996320), (416, 931655), (479, 809120), (520, 745324), (778, 498160), (958, 404560), (1040, 372662), (1556, 249080), (1916, 202280), (1945, 199264), (2080, 186331), (2395, 161824), (3112, 124540), (3832, 101140), (3890, 99632), (4790, 80912), (5057, 76640), (6224, 62270), (6227, 62240), (7664, 50570), (7780, 49816), (9580, 40456), (10114, 38320), (12448, 31135), (12454, 31120), (15328, 25285), (15560, 24908), (19160, 20228)]