38171980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3541}}^1$

素因数の和:3575

約数の個数: 72

約数和(自身を含む): 101754576

約数和(自身を除く): 63582596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 3541, 5390, 7082, 10780, 14164, 17705, 24787, 35410, 38951, 49574, 70820, 77902, 99148, 123935, 155804, 173509, 194755, 247870, 272657, 347018, 389510, 495740, 545314, 694036, 779020, 867545, 1090628, 1363285, 1735090, 1908599, 2726570, 3470180, 3817198, 5453140, 7634396, 9542995, 19085990, 38171980]

約数ペア:

[(1, 38171980), (2, 19085990), (4, 9542995), (5, 7634396), (7, 5453140), (10, 3817198), (11, 3470180), (14, 2726570), (20, 1908599), (22, 1735090), (28, 1363285), (35, 1090628), (44, 867545), (49, 779020), (55, 694036), (70, 545314), (77, 495740), (98, 389510), (110, 347018), (140, 272657), (154, 247870), (196, 194755), (220, 173509), (245, 155804), (308, 123935), (385, 99148), (490, 77902), (539, 70820), (770, 49574), (980, 38951), (1078, 35410), (1540, 24787), (2156, 17705), (2695, 14164), (3541, 10780), (5390, 7082)]