865432780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{2347}}^1$

素因数の和:2638

約数の個数: 48

約数和(自身を含む): 1846091520

約数和(自身を除く): 980658740

約数列:

[1, 2, 4, 5, 10, 20, 103, 179, 206, 358, 412, 515, 716, 895, 1030, 1790, 2060, 2347, 3580, 4694, 9388, 11735, 18437, 23470, 36874, 46940, 73748, 92185, 184370, 241741, 368740, 420113, 483482, 840226, 966964, 1208705, 1680452, 2100565, 2417410, 4201130, 4834820, 8402260, 43271639, 86543278, 173086556, 216358195, 432716390, 865432780]

約数ペア:

[(1, 865432780), (2, 432716390), (4, 216358195), (5, 173086556), (10, 86543278), (20, 43271639), (103, 8402260), (179, 4834820), (206, 4201130), (358, 2417410), (412, 2100565), (515, 1680452), (716, 1208705), (895, 966964), (1030, 840226), (1790, 483482), (2060, 420113), (2347, 368740), (3580, 241741), (4694, 184370), (9388, 92185), (11735, 73748), (18437, 46940), (23470, 36874)]