2139340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 5458320

約数和(自身を除く): 3318980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 59, 70, 74, 98, 118, 140, 148, 185, 196, 236, 245, 259, 295, 370, 413, 490, 518, 590, 740, 826, 980, 1036, 1180, 1295, 1652, 1813, 2065, 2183, 2590, 2891, 3626, 4130, 4366, 5180, 5782, 7252, 8260, 8732, 9065, 10915, 11564, 14455, 15281, 18130, 21830, 28910, 30562, 36260, 43660, 57820, 61124, 76405, 106967, 152810, 213934, 305620, 427868, 534835, 1069670, 2139340]

約数ペア:

[(1, 2139340), (2, 1069670), (4, 534835), (5, 427868), (7, 305620), (10, 213934), (14, 152810), (20, 106967), (28, 76405), (35, 61124), (37, 57820), (49, 43660), (59, 36260), (70, 30562), (74, 28910), (98, 21830), (118, 18130), (140, 15281), (148, 14455), (185, 11564), (196, 10915), (236, 9065), (245, 8732), (259, 8260), (295, 7252), (370, 5782), (413, 5180), (490, 4366), (518, 4130), (590, 3626), (740, 2891), (826, 2590), (980, 2183), (1036, 2065), (1180, 1813), (1295, 1652)]