86856220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1939

約数の個数: 72

約数和(自身を含む): 211150800

約数和(自身を除く): 124294580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 1889, 2090, 2299, 2420, 3778, 4180, 4598, 7556, 9196, 9445, 11495, 18890, 20779, 22990, 35891, 37780, 41558, 45980, 71782, 83116, 103895, 143564, 179455, 207790, 228569, 358910, 394801, 415580, 457138, 717820, 789602, 914276, 1142845, 1579204, 1974005, 2285690, 3948010, 4342811, 4571380, 7896020, 8685622, 17371244, 21714055, 43428110, 86856220]

約数ペア:

[(1, 86856220), (2, 43428110), (4, 21714055), (5, 17371244), (10, 8685622), (11, 7896020), (19, 4571380), (20, 4342811), (22, 3948010), (38, 2285690), (44, 1974005), (55, 1579204), (76, 1142845), (95, 914276), (110, 789602), (121, 717820), (190, 457138), (209, 415580), (220, 394801), (242, 358910), (380, 228569), (418, 207790), (484, 179455), (605, 143564), (836, 103895), (1045, 83116), (1210, 71782), (1889, 45980), (2090, 41558), (2299, 37780), (2420, 35891), (3778, 22990), (4180, 20779), (4598, 18890), (7556, 11495), (9196, 9445)]