556913140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{128321}}^1$

素因数の和:128368

約数の個数: 48

約数和(自身を含む): 1379718144

約数和(自身を除く): 822805004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 128321, 256642, 513284, 641605, 898247, 1283210, 1796494, 2566420, 3592988, 3977951, 4491235, 7955902, 8982470, 15911804, 17964940, 19889755, 27845657, 39779510, 55691314, 79559020, 111382628, 139228285, 278456570, 556913140]

約数ペア:

[(1, 556913140), (2, 278456570), (4, 139228285), (5, 111382628), (7, 79559020), (10, 55691314), (14, 39779510), (20, 27845657), (28, 19889755), (31, 17964940), (35, 15911804), (62, 8982470), (70, 7955902), (124, 4491235), (140, 3977951), (155, 3592988), (217, 2566420), (310, 1796494), (434, 1283210), (620, 898247), (868, 641605), (1085, 513284), (2170, 256642), (4340, 128321)]