2009194820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:729

約数の個数: 96

約数和(自身を含む): 4485650400

約数和(自身を除く): 2476455580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 109, 116, 122, 145, 218, 244, 290, 305, 436, 521, 545, 580, 610, 1042, 1090, 1220, 1769, 2084, 2180, 2605, 3161, 3538, 5210, 6322, 6649, 7076, 8845, 10420, 12644, 13298, 15109, 15805, 17690, 26596, 30218, 31610, 31781, 33245, 35380, 56789, 60436, 63220, 63562, 66490, 75545, 113578, 127124, 132980, 151090, 158905, 192821, 227156, 283945, 302180, 317810, 385642, 567890, 635620, 771284, 921649, 964105, 1135780, 1646881, 1843298, 1928210, 3293762, 3464129, 3686596, 3856420, 4608245, 6587524, 6928258, 8234405, 9216490, 13856516, 16468810, 17320645, 18432980, 32937620, 34641290, 69282580, 100459741, 200919482, 401838964, 502298705, 1004597410, 2009194820]

約数ペア:

[(1, 2009194820), (2, 1004597410), (4, 502298705), (5, 401838964), (10, 200919482), (20, 100459741), (29, 69282580), (58, 34641290), (61, 32937620), (109, 18432980), (116, 17320645), (122, 16468810), (145, 13856516), (218, 9216490), (244, 8234405), (290, 6928258), (305, 6587524), (436, 4608245), (521, 3856420), (545, 3686596), (580, 3464129), (610, 3293762), (1042, 1928210), (1090, 1843298), (1220, 1646881), (1769, 1135780), (2084, 964105), (2180, 921649), (2605, 771284), (3161, 635620), (3538, 567890), (5210, 385642), (6322, 317810), (6649, 302180), (7076, 283945), (8845, 227156), (10420, 192821), (12644, 158905), (13298, 151090), (15109, 132980), (15805, 127124), (17690, 113578), (26596, 75545), (30218, 66490), (31610, 63562), (31781, 63220), (33245, 60436), (35380, 56789)]