2813290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 5346000

約数和(自身を除く): 2532710

約数列:

[1, 2, 5, 10, 29, 58, 89, 109, 145, 178, 218, 290, 445, 545, 890, 1090, 2581, 3161, 5162, 6322, 9701, 12905, 15805, 19402, 25810, 31610, 48505, 97010, 281329, 562658, 1406645, 2813290]

約数ペア:

[(1, 2813290), (2, 1406645), (5, 562658), (10, 281329), (29, 97010), (58, 48505), (89, 31610), (109, 25810), (145, 19402), (178, 15805), (218, 12905), (290, 9701), (445, 6322), (545, 5162), (890, 3161), (1090, 2581)]