28018500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{18679}}^1$

素因数の和:18701

約数の個数: 48

約数和(自身を含む): 81594240

約数和(自身を除く): 53575740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 18679, 37358, 56037, 74716, 93395, 112074, 186790, 224148, 280185, 373580, 466975, 560370, 933950, 1120740, 1400925, 1867900, 2334875, 2801850, 4669750, 5603700, 7004625, 9339500, 14009250, 28018500]

約数ペア:

[(1, 28018500), (2, 14009250), (3, 9339500), (4, 7004625), (5, 5603700), (6, 4669750), (10, 2801850), (12, 2334875), (15, 1867900), (20, 1400925), (25, 1120740), (30, 933950), (50, 560370), (60, 466975), (75, 373580), (100, 280185), (125, 224148), (150, 186790), (250, 112074), (300, 93395), (375, 74716), (500, 56037), (750, 37358), (1500, 18679)]