201720470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{947}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 442298880

約数和(自身を除く): 240578410

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 179, 238, 358, 595, 895, 947, 1190, 1253, 1790, 1894, 2506, 3043, 4735, 6086, 6265, 6629, 9470, 12530, 13258, 15215, 16099, 21301, 30430, 32198, 33145, 42602, 66290, 80495, 106505, 112693, 160990, 169513, 213010, 225386, 339026, 563465, 847565, 1126930, 1186591, 1695130, 2373182, 2881721, 5763442, 5932955, 11865910, 14408605, 20172047, 28817210, 40344094, 100860235, 201720470]

約数ペア:

[(1, 201720470), (2, 100860235), (5, 40344094), (7, 28817210), (10, 20172047), (14, 14408605), (17, 11865910), (34, 5932955), (35, 5763442), (70, 2881721), (85, 2373182), (119, 1695130), (170, 1186591), (179, 1126930), (238, 847565), (358, 563465), (595, 339026), (895, 225386), (947, 213010), (1190, 169513), (1253, 160990), (1790, 112693), (1894, 106505), (2506, 80495), (3043, 66290), (4735, 42602), (6086, 33145), (6265, 32198), (6629, 30430), (9470, 21301), (12530, 16099), (13258, 15215)]