213390250

素因数分解:

$2^1\times 5^3\times {\mathrm{103}}^1\times {\mathrm{8287}}^1$

素因数の和:8407

約数の個数: 32

約数和(自身を含む): 403393536

約数和(自身を除く): 190003286

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 515, 1030, 2575, 5150, 8287, 12875, 16574, 25750, 41435, 82870, 207175, 414350, 853561, 1035875, 1707122, 2071750, 4267805, 8535610, 21339025, 42678050, 106695125, 213390250]

約数ペア:

[(1, 213390250), (2, 106695125), (5, 42678050), (10, 21339025), (25, 8535610), (50, 4267805), (103, 2071750), (125, 1707122), (206, 1035875), (250, 853561), (515, 414350), (1030, 207175), (2575, 82870), (5150, 41435), (8287, 25750), (12875, 16574)]