78464980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8699}}^1$

素因数の和:8760

約数の個数: 48

約数和(自身を含む): 184161600

約数和(自身を除く): 105696620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 8699, 9020, 17398, 34796, 43495, 86990, 95689, 173980, 191378, 356659, 382756, 478445, 713318, 956890, 1426636, 1783295, 1913780, 3566590, 3923249, 7133180, 7846498, 15692996, 19616245, 39232490, 78464980]

約数ペア:

[(1, 78464980), (2, 39232490), (4, 19616245), (5, 15692996), (10, 7846498), (11, 7133180), (20, 3923249), (22, 3566590), (41, 1913780), (44, 1783295), (55, 1426636), (82, 956890), (110, 713318), (164, 478445), (205, 382756), (220, 356659), (410, 191378), (451, 173980), (820, 95689), (902, 86990), (1804, 43495), (2255, 34796), (4510, 17398), (8699, 9020)]