290225348

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1399}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 602112000

約数和(自身を除く): 311886652

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 239, 434, 478, 868, 956, 1399, 1673, 2798, 3346, 5596, 6692, 7409, 9793, 14818, 19586, 29636, 39172, 43369, 51863, 86738, 103726, 173476, 207452, 303583, 334361, 607166, 668722, 1214332, 1337444, 2340527, 4681054, 9362108, 10365191, 20730382, 41460764, 72556337, 145112674, 290225348]

約数ペア:

[(1, 290225348), (2, 145112674), (4, 72556337), (7, 41460764), (14, 20730382), (28, 10365191), (31, 9362108), (62, 4681054), (124, 2340527), (217, 1337444), (239, 1214332), (434, 668722), (478, 607166), (868, 334361), (956, 303583), (1399, 207452), (1673, 173476), (2798, 103726), (3346, 86738), (5596, 51863), (6692, 43369), (7409, 39172), (9793, 29636), (14818, 19586)]