123676670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30689}}^1$

素因数の和:30740

約数の個数: 32

約数和(自身を含む): 247484160

約数和(自身を除く): 123807490

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 30689, 61378, 153445, 306890, 398957, 797914, 951359, 1902718, 1994785, 3989570, 4756795, 9513590, 12367667, 24735334, 61838335, 123676670]

約数ペア:

[(1, 123676670), (2, 61838335), (5, 24735334), (10, 12367667), (13, 9513590), (26, 4756795), (31, 3989570), (62, 1994785), (65, 1902718), (130, 951359), (155, 797914), (310, 398957), (403, 306890), (806, 153445), (2015, 61378), (4030, 30689)]