2129702900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{16889}}^1$

素因数の和:17013

約数の個数: 72

約数和(自身を含む): 5028558360

約数和(自身を除く): 2898855460

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 194, 260, 325, 388, 485, 650, 970, 1261, 1300, 1940, 2425, 2522, 4850, 5044, 6305, 9700, 12610, 16889, 25220, 31525, 33778, 63050, 67556, 84445, 126100, 168890, 219557, 337780, 422225, 439114, 844450, 878228, 1097785, 1638233, 1688900, 2195570, 3276466, 4391140, 5488925, 6552932, 8191165, 10977850, 16382330, 21297029, 21955700, 32764660, 40955825, 42594058, 81911650, 85188116, 106485145, 163823300, 212970290, 425940580, 532425725, 1064851450, 2129702900]

約数ペア:

[(1, 2129702900), (2, 1064851450), (4, 532425725), (5, 425940580), (10, 212970290), (13, 163823300), (20, 106485145), (25, 85188116), (26, 81911650), (50, 42594058), (52, 40955825), (65, 32764660), (97, 21955700), (100, 21297029), (130, 16382330), (194, 10977850), (260, 8191165), (325, 6552932), (388, 5488925), (485, 4391140), (650, 3276466), (970, 2195570), (1261, 1688900), (1300, 1638233), (1940, 1097785), (2425, 878228), (2522, 844450), (4850, 439114), (5044, 422225), (6305, 337780), (9700, 219557), (12610, 168890), (16889, 126100), (25220, 84445), (31525, 67556), (33778, 63050)]