561340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 1354752

約数和(自身を除く): 793412

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 127, 130, 170, 221, 254, 260, 340, 442, 508, 635, 884, 1105, 1270, 1651, 2159, 2210, 2540, 3302, 4318, 4420, 6604, 8255, 8636, 10795, 16510, 21590, 28067, 33020, 43180, 56134, 112268, 140335, 280670, 561340]

約数ペア:

[(1, 561340), (2, 280670), (4, 140335), (5, 112268), (10, 56134), (13, 43180), (17, 33020), (20, 28067), (26, 21590), (34, 16510), (52, 10795), (65, 8636), (68, 8255), (85, 6604), (127, 4420), (130, 4318), (170, 3302), (221, 2540), (254, 2210), (260, 2159), (340, 1651), (442, 1270), (508, 1105), (635, 884)]