87311140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 108

約数和(自身を含む): 222742548

約数和(自身を除く): 135431408

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 53, 70, 82, 98, 106, 140, 164, 196, 205, 212, 245, 265, 287, 371, 410, 490, 530, 574, 742, 820, 980, 1060, 1148, 1435, 1484, 1681, 1855, 2009, 2173, 2597, 2870, 3362, 3710, 4018, 4346, 5194, 5740, 6724, 7420, 8036, 8405, 8692, 10045, 10388, 10865, 11767, 12985, 15211, 16810, 20090, 21730, 23534, 25970, 30422, 33620, 40180, 43460, 47068, 51940, 58835, 60844, 76055, 82369, 89093, 106477, 117670, 152110, 164738, 178186, 212954, 235340, 304220, 329476, 356372, 411845, 425908, 445465, 532385, 623651, 823690, 890930, 1064770, 1247302, 1647380, 1781860, 2129540, 2494604, 3118255, 4365557, 6236510, 8731114, 12473020, 17462228, 21827785, 43655570, 87311140]

約数ペア:

[(1, 87311140), (2, 43655570), (4, 21827785), (5, 17462228), (7, 12473020), (10, 8731114), (14, 6236510), (20, 4365557), (28, 3118255), (35, 2494604), (41, 2129540), (49, 1781860), (53, 1647380), (70, 1247302), (82, 1064770), (98, 890930), (106, 823690), (140, 623651), (164, 532385), (196, 445465), (205, 425908), (212, 411845), (245, 356372), (265, 329476), (287, 304220), (371, 235340), (410, 212954), (490, 178186), (530, 164738), (574, 152110), (742, 117670), (820, 106477), (980, 89093), (1060, 82369), (1148, 76055), (1435, 60844), (1484, 58835), (1681, 51940), (1855, 47068), (2009, 43460), (2173, 40180), (2597, 33620), (2870, 30422), (3362, 25970), (3710, 23534), (4018, 21730), (4346, 20090), (5194, 16810), (5740, 15211), (6724, 12985), (7420, 11767), (8036, 10865), (8405, 10388), (8692, 10045)]