210519690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{305101}}^1$

素因数の和:305134

約数の個数: 32

約数和(自身を含む): 527216256

約数和(自身を除く): 316696566

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 305101, 610202, 915303, 1525505, 1830606, 3051010, 4576515, 7017323, 9153030, 14034646, 21051969, 35086615, 42103938, 70173230, 105259845, 210519690]

約数ペア:

[(1, 210519690), (2, 105259845), (3, 70173230), (5, 42103938), (6, 35086615), (10, 21051969), (15, 14034646), (23, 9153030), (30, 7017323), (46, 4576515), (69, 3051010), (115, 1830606), (138, 1525505), (230, 915303), (345, 610202), (690, 305101)]