20174561950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{4091}}^1$

素因数の和:4330

約数の個数: 96

約数和(自身を含む): 41100048000

約数和(自身を除く): 20925486050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 179, 190, 290, 358, 475, 551, 725, 895, 950, 1102, 1450, 1790, 2755, 3401, 4091, 4475, 5191, 5510, 6802, 8182, 8950, 10382, 13775, 17005, 20455, 25955, 27550, 34010, 40910, 51910, 77729, 85025, 98629, 102275, 118639, 129775, 155458, 170050, 197258, 204550, 237278, 259550, 388645, 493145, 593195, 732289, 777290, 986290, 1186390, 1464578, 1943225, 2254141, 2465725, 2965975, 3661445, 3886450, 4508282, 4931450, 5931950, 7322890, 11270705, 13913491, 18307225, 21236381, 22541410, 27826982, 36614450, 42472762, 56353525, 69567455, 106181905, 112707050, 139134910, 212363810, 347837275, 403491239, 530909525, 695674550, 806982478, 1061819050, 2017456195, 4034912390, 10087280975, 20174561950]

約数ペア:

[(1, 20174561950), (2, 10087280975), (5, 4034912390), (10, 2017456195), (19, 1061819050), (25, 806982478), (29, 695674550), (38, 530909525), (50, 403491239), (58, 347837275), (95, 212363810), (145, 139134910), (179, 112707050), (190, 106181905), (290, 69567455), (358, 56353525), (475, 42472762), (551, 36614450), (725, 27826982), (895, 22541410), (950, 21236381), (1102, 18307225), (1450, 13913491), (1790, 11270705), (2755, 7322890), (3401, 5931950), (4091, 4931450), (4475, 4508282), (5191, 3886450), (5510, 3661445), (6802, 2965975), (8182, 2465725), (8950, 2254141), (10382, 1943225), (13775, 1464578), (17005, 1186390), (20455, 986290), (25955, 777290), (27550, 732289), (34010, 593195), (40910, 493145), (51910, 388645), (77729, 259550), (85025, 237278), (98629, 204550), (102275, 197258), (118639, 170050), (129775, 155458)]