28124700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:647

約数の個数: 72

約数和(自身を含む): 81921840

約数和(自身を除く): 53797140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 241, 300, 389, 482, 723, 778, 964, 1167, 1205, 1446, 1556, 1945, 2334, 2410, 2892, 3615, 3890, 4668, 4820, 5835, 6025, 7230, 7780, 9725, 11670, 12050, 14460, 18075, 19450, 23340, 24100, 29175, 36150, 38900, 58350, 72300, 93749, 116700, 187498, 281247, 374996, 468745, 562494, 937490, 1124988, 1406235, 1874980, 2343725, 2812470, 4687450, 5624940, 7031175, 9374900, 14062350, 28124700]

約数ペア:

[(1, 28124700), (2, 14062350), (3, 9374900), (4, 7031175), (5, 5624940), (6, 4687450), (10, 2812470), (12, 2343725), (15, 1874980), (20, 1406235), (25, 1124988), (30, 937490), (50, 562494), (60, 468745), (75, 374996), (100, 281247), (150, 187498), (241, 116700), (300, 93749), (389, 72300), (482, 58350), (723, 38900), (778, 36150), (964, 29175), (1167, 24100), (1205, 23340), (1446, 19450), (1556, 18075), (1945, 14460), (2334, 12050), (2410, 11670), (2892, 9725), (3615, 7780), (3890, 7230), (4668, 6025), (4820, 5835)]