442877900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1155

約数の個数: 72

約数和(自身を含む): 994519680

約数和(自身を除く): 551641780

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 109, 164, 205, 218, 410, 436, 545, 820, 991, 1025, 1090, 1982, 2050, 2180, 2725, 3964, 4100, 4469, 4955, 5450, 8938, 9910, 10900, 17876, 19820, 22345, 24775, 40631, 44690, 49550, 81262, 89380, 99100, 108019, 111725, 162524, 203155, 216038, 223450, 406310, 432076, 446900, 540095, 812620, 1015775, 1080190, 2031550, 2160380, 2700475, 4063100, 4428779, 5400950, 8857558, 10801900, 17715116, 22143895, 44287790, 88575580, 110719475, 221438950, 442877900]

約数ペア:

[(1, 442877900), (2, 221438950), (4, 110719475), (5, 88575580), (10, 44287790), (20, 22143895), (25, 17715116), (41, 10801900), (50, 8857558), (82, 5400950), (100, 4428779), (109, 4063100), (164, 2700475), (205, 2160380), (218, 2031550), (410, 1080190), (436, 1015775), (545, 812620), (820, 540095), (991, 446900), (1025, 432076), (1090, 406310), (1982, 223450), (2050, 216038), (2180, 203155), (2725, 162524), (3964, 111725), (4100, 108019), (4469, 99100), (4955, 89380), (5450, 81262), (8938, 49550), (9910, 44690), (10900, 40631), (17876, 24775), (19820, 22345)]