855486580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193549}}^1$

素因数の和:193588

約数の個数: 48

約数和(自身を含む): 2048533200

約数和(自身を除く): 1193046620

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 193549, 387098, 774196, 967745, 1935490, 2516137, 3290333, 3870980, 5032274, 6580666, 10064548, 12580685, 13161332, 16451665, 25161370, 32903330, 42774329, 50322740, 65806660, 85548658, 171097316, 213871645, 427743290, 855486580]

約数ペア:

[(1, 855486580), (2, 427743290), (4, 213871645), (5, 171097316), (10, 85548658), (13, 65806660), (17, 50322740), (20, 42774329), (26, 32903330), (34, 25161370), (52, 16451665), (65, 13161332), (68, 12580685), (85, 10064548), (130, 6580666), (170, 5032274), (221, 3870980), (260, 3290333), (340, 2516137), (442, 1935490), (884, 967745), (1105, 774196), (2210, 387098), (4420, 193549)]