1215477400

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{85597}}^1$

素因数の和:85684

約数の個数: 48

約数和(自身を含む): 2865821040

約数和(自身を除く): 1650343640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 14200, 85597, 171194, 342388, 427985, 684776, 855970, 1711940, 2139925, 3423880, 4279850, 6077387, 8559700, 12154774, 17119400, 24309548, 30386935, 48619096, 60773870, 121547740, 151934675, 243095480, 303869350, 607738700, 1215477400]

約数ペア:

[(1, 1215477400), (2, 607738700), (4, 303869350), (5, 243095480), (8, 151934675), (10, 121547740), (20, 60773870), (25, 48619096), (40, 30386935), (50, 24309548), (71, 17119400), (100, 12154774), (142, 8559700), (200, 6077387), (284, 4279850), (355, 3423880), (568, 2139925), (710, 1711940), (1420, 855970), (1775, 684776), (2840, 427985), (3550, 342388), (7100, 171194), (14200, 85597)]