858779900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{26921}}^1$

素因数の和:26975

約数の個数: 72

約数和(自身を含む): 2103146640

約数和(自身を除く): 1244366740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 638, 725, 1100, 1276, 1450, 1595, 2900, 3190, 6380, 7975, 15950, 26921, 31900, 53842, 107684, 134605, 269210, 296131, 538420, 592262, 673025, 780709, 1184524, 1346050, 1480655, 1561418, 2692100, 2961310, 3122836, 3903545, 5922620, 7403275, 7807090, 8587799, 14806550, 15614180, 17175598, 19517725, 29613100, 34351196, 39035450, 42938995, 78070900, 85877990, 171755980, 214694975, 429389950, 858779900]

約数ペア:

[(1, 858779900), (2, 429389950), (4, 214694975), (5, 171755980), (10, 85877990), (11, 78070900), (20, 42938995), (22, 39035450), (25, 34351196), (29, 29613100), (44, 19517725), (50, 17175598), (55, 15614180), (58, 14806550), (100, 8587799), (110, 7807090), (116, 7403275), (145, 5922620), (220, 3903545), (275, 3122836), (290, 2961310), (319, 2692100), (550, 1561418), (580, 1480655), (638, 1346050), (725, 1184524), (1100, 780709), (1276, 673025), (1450, 592262), (1595, 538420), (2900, 296131), (3190, 269210), (6380, 134605), (7975, 107684), (15950, 53842), (26921, 31900)]