678221390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{16619}}^1$

素因数の和:16697

約数の個数: 64

約数和(自身を含む): 1550845440

約数和(自身を除く): 872624050

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 53, 55, 70, 77, 106, 110, 154, 265, 371, 385, 530, 583, 742, 770, 1166, 1855, 2915, 3710, 4081, 5830, 8162, 16619, 20405, 33238, 40810, 83095, 116333, 166190, 182809, 232666, 365618, 581665, 880807, 914045, 1163330, 1279663, 1761614, 1828090, 2559326, 4404035, 6165649, 6398315, 8808070, 9688877, 12331298, 12796630, 19377754, 30828245, 48444385, 61656490, 67822139, 96888770, 135644278, 339110695, 678221390]

約数ペア:

[(1, 678221390), (2, 339110695), (5, 135644278), (7, 96888770), (10, 67822139), (11, 61656490), (14, 48444385), (22, 30828245), (35, 19377754), (53, 12796630), (55, 12331298), (70, 9688877), (77, 8808070), (106, 6398315), (110, 6165649), (154, 4404035), (265, 2559326), (371, 1828090), (385, 1761614), (530, 1279663), (583, 1163330), (742, 914045), (770, 880807), (1166, 581665), (1855, 365618), (2915, 232666), (3710, 182809), (4081, 166190), (5830, 116333), (8162, 83095), (16619, 40810), (20405, 33238)]