28031340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1201}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 78755040

約数和(自身を除く): 50723700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1201, 1556, 1945, 2334, 2402, 3603, 3890, 4668, 4804, 5835, 6005, 7206, 7780, 11670, 12010, 14412, 18015, 23340, 24020, 36030, 72060, 467189, 934378, 1401567, 1868756, 2335945, 2803134, 4671890, 5606268, 7007835, 9343780, 14015670, 28031340]

約数ペア:

[(1, 28031340), (2, 14015670), (3, 9343780), (4, 7007835), (5, 5606268), (6, 4671890), (10, 2803134), (12, 2335945), (15, 1868756), (20, 1401567), (30, 934378), (60, 467189), (389, 72060), (778, 36030), (1167, 24020), (1201, 23340), (1556, 18015), (1945, 14412), (2334, 12010), (2402, 11670), (3603, 7780), (3890, 7206), (4668, 6005), (4804, 5835)]