248727180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318881}}^1$

素因数の和:318906

約数の個数: 48

約数和(自身を含む): 750010464

約数和(自身を除く): 501283284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 318881, 637762, 956643, 1275524, 1594405, 1913286, 3188810, 3826572, 4145453, 4783215, 6377620, 8290906, 9566430, 12436359, 16581812, 19132860, 20727265, 24872718, 41454530, 49745436, 62181795, 82909060, 124363590, 248727180]

約数ペア:

[(1, 248727180), (2, 124363590), (3, 82909060), (4, 62181795), (5, 49745436), (6, 41454530), (10, 24872718), (12, 20727265), (13, 19132860), (15, 16581812), (20, 12436359), (26, 9566430), (30, 8290906), (39, 6377620), (52, 4783215), (60, 4145453), (65, 3826572), (78, 3188810), (130, 1913286), (156, 1594405), (195, 1275524), (260, 956643), (390, 637762), (780, 318881)]