355289870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1\times {\mathrm{1979}}^1$

素因数の和:3380

約数の個数: 32

約数和(自身を含む): 689562720

約数和(自身を除く): 334272850

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1381, 1979, 2762, 3958, 6905, 9895, 13810, 17953, 19790, 25727, 35906, 51454, 89765, 128635, 179530, 257270, 2732999, 5465998, 13664995, 27329990, 35528987, 71057974, 177644935, 355289870]

約数ペア:

[(1, 355289870), (2, 177644935), (5, 71057974), (10, 35528987), (13, 27329990), (26, 13664995), (65, 5465998), (130, 2732999), (1381, 257270), (1979, 179530), (2762, 128635), (3958, 89765), (6905, 51454), (9895, 35906), (13810, 25727), (17953, 19790)]