159781450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2129}}^1$

素因数の和:2239

約数の個数: 48

約数和(自身を含む): 316944000

約数和(自身を除く): 157162550

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 79, 95, 158, 190, 395, 475, 790, 950, 1501, 1975, 2129, 3002, 3950, 4258, 7505, 10645, 15010, 21290, 37525, 40451, 53225, 75050, 80902, 106450, 168191, 202255, 336382, 404510, 840955, 1011275, 1681910, 2022550, 3195629, 4204775, 6391258, 8409550, 15978145, 31956290, 79890725, 159781450]

約数ペア:

[(1, 159781450), (2, 79890725), (5, 31956290), (10, 15978145), (19, 8409550), (25, 6391258), (38, 4204775), (50, 3195629), (79, 2022550), (95, 1681910), (158, 1011275), (190, 840955), (395, 404510), (475, 336382), (790, 202255), (950, 168191), (1501, 106450), (1975, 80902), (2129, 75050), (3002, 53225), (3950, 40451), (4258, 37525), (7505, 21290), (10645, 15010)]