990470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 2026080

約数和(自身を除く): 1035610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 401, 494, 802, 1235, 2005, 2470, 4010, 5213, 7619, 10426, 15238, 26065, 38095, 52130, 76190, 99047, 198094, 495235, 990470]

約数ペア:

[(1, 990470), (2, 495235), (5, 198094), (10, 99047), (13, 76190), (19, 52130), (26, 38095), (38, 26065), (65, 15238), (95, 10426), (130, 7619), (190, 5213), (247, 4010), (401, 2470), (494, 2005), (802, 1235)]