351977470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{142501}}^1$

素因数の和:142540

約数の個数: 32

約数和(自身を含む): 718210080

約数和(自身を除く): 366232610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 142501, 285002, 712505, 1425010, 1852513, 2707519, 3705026, 5415038, 9262565, 13537595, 18525130, 27075190, 35197747, 70395494, 175988735, 351977470]

約数ペア:

[(1, 351977470), (2, 175988735), (5, 70395494), (10, 35197747), (13, 27075190), (19, 18525130), (26, 13537595), (38, 9262565), (65, 5415038), (95, 3705026), (130, 2707519), (190, 1852513), (247, 1425010), (494, 712505), (1235, 285002), (2470, 142501)]