890256770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{4421}}^1$

素因数の和:5990

約数の個数: 32

約数和(自身を含む): 1727233200

約数和(自身を除く): 836976430

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1549, 3098, 4421, 7745, 8842, 15490, 20137, 22105, 40274, 44210, 57473, 100685, 114946, 201370, 287365, 574730, 6848129, 13696258, 34240645, 68481290, 89025677, 178051354, 445128385, 890256770]

約数ペア:

[(1, 890256770), (2, 445128385), (5, 178051354), (10, 89025677), (13, 68481290), (26, 34240645), (65, 13696258), (130, 6848129), (1549, 574730), (3098, 287365), (4421, 201370), (7745, 114946), (8842, 100685), (15490, 57473), (20137, 44210), (22105, 40274)]