84880180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55117}}^1$

素因数の和:55144

約数の個数: 48

約数和(自身を含む): 222235776

約数和(自身を除く): 137355596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 55117, 110234, 220468, 275585, 385819, 551170, 606287, 771638, 1102340, 1212574, 1543276, 1929095, 2425148, 3031435, 3858190, 4244009, 6062870, 7716380, 8488018, 12125740, 16976036, 21220045, 42440090, 84880180]

約数ペア:

[(1, 84880180), (2, 42440090), (4, 21220045), (5, 16976036), (7, 12125740), (10, 8488018), (11, 7716380), (14, 6062870), (20, 4244009), (22, 3858190), (28, 3031435), (35, 2425148), (44, 1929095), (55, 1543276), (70, 1212574), (77, 1102340), (110, 771638), (140, 606287), (154, 551170), (220, 385819), (308, 275585), (385, 220468), (770, 110234), (1540, 55117)]