4883380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 11007360

約数和(自身を除く): 6123980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 181, 190, 284, 355, 362, 380, 710, 724, 905, 1349, 1420, 1810, 2698, 3439, 3620, 5396, 6745, 6878, 12851, 13490, 13756, 17195, 25702, 26980, 34390, 51404, 64255, 68780, 128510, 244169, 257020, 488338, 976676, 1220845, 2441690, 4883380]

約数ペア:

[(1, 4883380), (2, 2441690), (4, 1220845), (5, 976676), (10, 488338), (19, 257020), (20, 244169), (38, 128510), (71, 68780), (76, 64255), (95, 51404), (142, 34390), (181, 26980), (190, 25702), (284, 17195), (355, 13756), (362, 13490), (380, 12851), (710, 6878), (724, 6745), (905, 5396), (1349, 3620), (1420, 3439), (1810, 2698)]