1519400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 3615840

約数和(自身を除く): 2096440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 107, 142, 200, 214, 284, 355, 428, 535, 568, 710, 856, 1070, 1420, 1775, 2140, 2675, 2840, 3550, 4280, 5350, 7100, 7597, 10700, 14200, 15194, 21400, 30388, 37985, 60776, 75970, 151940, 189925, 303880, 379850, 759700, 1519400]

約数ペア:

[(1, 1519400), (2, 759700), (4, 379850), (5, 303880), (8, 189925), (10, 151940), (20, 75970), (25, 60776), (40, 37985), (50, 30388), (71, 21400), (100, 15194), (107, 14200), (142, 10700), (200, 7597), (214, 7100), (284, 5350), (355, 4280), (428, 3550), (535, 2840), (568, 2675), (710, 2140), (856, 1775), (1070, 1420)]