78727450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1049}}^1$

素因数の和:1159

約数の個数: 48

約数和(自身を含む): 156240000

約数和(自身を除く): 77512550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 158, 190, 395, 475, 790, 950, 1049, 1501, 1975, 2098, 3002, 3950, 5245, 7505, 10490, 15010, 19931, 26225, 37525, 39862, 52450, 75050, 82871, 99655, 165742, 199310, 414355, 498275, 828710, 996550, 1574549, 2071775, 3149098, 4143550, 7872745, 15745490, 39363725, 78727450]

約数ペア:

[(1, 78727450), (2, 39363725), (5, 15745490), (10, 7872745), (19, 4143550), (25, 3149098), (38, 2071775), (50, 1574549), (79, 996550), (95, 828710), (158, 498275), (190, 414355), (395, 199310), (475, 165742), (790, 99655), (950, 82871), (1049, 75050), (1501, 52450), (1975, 39862), (2098, 37525), (3002, 26225), (3950, 19931), (5245, 15010), (7505, 10490)]