64429000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3431

約数の個数: 64

約数和(自身を含む): 158745600

約数和(自身を除く): 94316600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3391, 3800, 4750, 6782, 9500, 13564, 16955, 19000, 27128, 33910, 64429, 67820, 84775, 128858, 135640, 169550, 257716, 322145, 339100, 423875, 515432, 644290, 678200, 847750, 1288580, 1610725, 1695500, 2577160, 3221450, 3391000, 6442900, 8053625, 12885800, 16107250, 32214500, 64429000]

約数ペア:

[(1, 64429000), (2, 32214500), (4, 16107250), (5, 12885800), (8, 8053625), (10, 6442900), (19, 3391000), (20, 3221450), (25, 2577160), (38, 1695500), (40, 1610725), (50, 1288580), (76, 847750), (95, 678200), (100, 644290), (125, 515432), (152, 423875), (190, 339100), (200, 322145), (250, 257716), (380, 169550), (475, 135640), (500, 128858), (760, 84775), (950, 67820), (1000, 64429), (1900, 33910), (2375, 27128), (3391, 19000), (3800, 16955), (4750, 13564), (6782, 9500)]