89991500

素因数分解:

$2^2\times 5^3\times {\mathrm{211}}^1\times {\mathrm{853}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 197704416

約数和(自身を除く): 107712916

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 211, 250, 422, 500, 844, 853, 1055, 1706, 2110, 3412, 4220, 4265, 5275, 8530, 10550, 17060, 21100, 21325, 26375, 42650, 52750, 85300, 105500, 106625, 179983, 213250, 359966, 426500, 719932, 899915, 1799830, 3599660, 4499575, 8999150, 17998300, 22497875, 44995750, 89991500]

約数ペア:

[(1, 89991500), (2, 44995750), (4, 22497875), (5, 17998300), (10, 8999150), (20, 4499575), (25, 3599660), (50, 1799830), (100, 899915), (125, 719932), (211, 426500), (250, 359966), (422, 213250), (500, 179983), (844, 106625), (853, 105500), (1055, 85300), (1706, 52750), (2110, 42650), (3412, 26375), (4220, 21325), (4265, 21100), (5275, 17060), (8530, 10550)]