391302010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1217}}^1$

素因数の和:1351

約数の個数: 64

約数和(自身を含む): 799787520

約数和(自身を除く): 408485510

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 79, 110, 158, 185, 370, 395, 407, 790, 814, 869, 1217, 1738, 2035, 2434, 2923, 4070, 4345, 5846, 6085, 8690, 12170, 13387, 14615, 26774, 29230, 32153, 45029, 64306, 66935, 90058, 96143, 133870, 160765, 192286, 225145, 321530, 450290, 480715, 495319, 961430, 990638, 1057573, 2115146, 2476595, 3557291, 4953190, 5287865, 7114582, 10575730, 17786455, 35572910, 39130201, 78260402, 195651005, 391302010]

約数ペア:

[(1, 391302010), (2, 195651005), (5, 78260402), (10, 39130201), (11, 35572910), (22, 17786455), (37, 10575730), (55, 7114582), (74, 5287865), (79, 4953190), (110, 3557291), (158, 2476595), (185, 2115146), (370, 1057573), (395, 990638), (407, 961430), (790, 495319), (814, 480715), (869, 450290), (1217, 321530), (1738, 225145), (2035, 192286), (2434, 160765), (2923, 133870), (4070, 96143), (4345, 90058), (5846, 66935), (6085, 64306), (8690, 45029), (12170, 32153), (13387, 29230), (14615, 26774)]