196889990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 418279680

約数和(自身を除く): 221389690

約数列:

[1, 2, 5, 10, 11, 22, 29, 31, 55, 58, 62, 110, 121, 145, 155, 181, 242, 290, 310, 319, 341, 362, 605, 638, 682, 899, 905, 1210, 1595, 1705, 1798, 1810, 1991, 3190, 3410, 3509, 3751, 3982, 4495, 5249, 5611, 7018, 7502, 8990, 9889, 9955, 10498, 11222, 17545, 18755, 19778, 19910, 21901, 26245, 28055, 35090, 37510, 43802, 49445, 52490, 56110, 57739, 61721, 98890, 108779, 109505, 115478, 123442, 162719, 217558, 219010, 288695, 308605, 325438, 543895, 577390, 617210, 635129, 678931, 813595, 1087790, 1270258, 1357862, 1627190, 1789909, 3175645, 3394655, 3579818, 6351290, 6789310, 8949545, 17899090, 19688999, 39377998, 98444995, 196889990]

約数ペア:

[(1, 196889990), (2, 98444995), (5, 39377998), (10, 19688999), (11, 17899090), (22, 8949545), (29, 6789310), (31, 6351290), (55, 3579818), (58, 3394655), (62, 3175645), (110, 1789909), (121, 1627190), (145, 1357862), (155, 1270258), (181, 1087790), (242, 813595), (290, 678931), (310, 635129), (319, 617210), (341, 577390), (362, 543895), (605, 325438), (638, 308605), (682, 288695), (899, 219010), (905, 217558), (1210, 162719), (1595, 123442), (1705, 115478), (1798, 109505), (1810, 108779), (1991, 98890), (3190, 61721), (3410, 57739), (3509, 56110), (3751, 52490), (3982, 49445), (4495, 43802), (5249, 37510), (5611, 35090), (7018, 28055), (7502, 26245), (8990, 21901), (9889, 19910), (9955, 19778), (10498, 18755), (11222, 17545)]