1625973860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{883}}^1\times {\mathrm{1879}}^1$

素因数の和:2785

約数の個数: 72

約数和(自身を含む): 3978636480

約数和(自身を除く): 2352662620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 883, 980, 1766, 1879, 3532, 3758, 4415, 6181, 7516, 8830, 9395, 12362, 13153, 17660, 18790, 24724, 26306, 30905, 37580, 43267, 52612, 61810, 65765, 86534, 92071, 123620, 131530, 173068, 184142, 216335, 263060, 368284, 432670, 460355, 865340, 920710, 1659157, 1841420, 3318314, 6636628, 8295785, 11614099, 16591570, 23228198, 33183140, 46456396, 58070495, 81298693, 116140990, 162597386, 232281980, 325194772, 406493465, 812986930, 1625973860]

約数ペア:

[(1, 1625973860), (2, 812986930), (4, 406493465), (5, 325194772), (7, 232281980), (10, 162597386), (14, 116140990), (20, 81298693), (28, 58070495), (35, 46456396), (49, 33183140), (70, 23228198), (98, 16591570), (140, 11614099), (196, 8295785), (245, 6636628), (490, 3318314), (883, 1841420), (980, 1659157), (1766, 920710), (1879, 865340), (3532, 460355), (3758, 432670), (4415, 368284), (6181, 263060), (7516, 216335), (8830, 184142), (9395, 173068), (12362, 131530), (13153, 123620), (17660, 92071), (18790, 86534), (24724, 65765), (26306, 61810), (30905, 52612), (37580, 43267)]