212951000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{3491}}^1$

素因数の和:3573

約数の個数: 64

約数和(自身を含む): 506619360

約数和(自身を除く): 293668360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 488, 500, 610, 1000, 1220, 1525, 2440, 3050, 3491, 6100, 6982, 7625, 12200, 13964, 15250, 17455, 27928, 30500, 34910, 61000, 69820, 87275, 139640, 174550, 212951, 349100, 425902, 436375, 698200, 851804, 872750, 1064755, 1703608, 1745500, 2129510, 3491000, 4259020, 5323775, 8518040, 10647550, 21295100, 26618875, 42590200, 53237750, 106475500, 212951000]

約数ペア:

[(1, 212951000), (2, 106475500), (4, 53237750), (5, 42590200), (8, 26618875), (10, 21295100), (20, 10647550), (25, 8518040), (40, 5323775), (50, 4259020), (61, 3491000), (100, 2129510), (122, 1745500), (125, 1703608), (200, 1064755), (244, 872750), (250, 851804), (305, 698200), (488, 436375), (500, 425902), (610, 349100), (1000, 212951), (1220, 174550), (1525, 139640), (2440, 87275), (3050, 69820), (3491, 61000), (6100, 34910), (6982, 30500), (7625, 27928), (12200, 17455), (13964, 15250)]