1954002020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{55229}}^1$

素因数の和:55328

約数の個数: 48

約数和(自身を含む): 4314567600

約数和(自身を除く): 2360565580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 7076, 8845, 17690, 35380, 55229, 110458, 220916, 276145, 552290, 1104580, 1601641, 3203282, 3368969, 6406564, 6737938, 8008205, 13475876, 16016410, 16844845, 32032820, 33689690, 67379380, 97700101, 195400202, 390800404, 488500505, 977001010, 1954002020]

約数ペア:

[(1, 1954002020), (2, 977001010), (4, 488500505), (5, 390800404), (10, 195400202), (20, 97700101), (29, 67379380), (58, 33689690), (61, 32032820), (116, 16844845), (122, 16016410), (145, 13475876), (244, 8008205), (290, 6737938), (305, 6406564), (580, 3368969), (610, 3203282), (1220, 1601641), (1769, 1104580), (3538, 552290), (7076, 276145), (8845, 220916), (17690, 110458), (35380, 55229)]