788583980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{90227}}^1$

素因数の和:90278

約数の個数: 48

約数和(自身を含む): 1818996480

約数和(自身を除く): 1030412500

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 90227, 180454, 360908, 451135, 902270, 1714313, 1804540, 2075221, 3428626, 4150442, 6857252, 8300884, 8571565, 10376105, 17143130, 20752210, 34286260, 39429199, 41504420, 78858398, 157716796, 197145995, 394291990, 788583980]

約数ペア:

[(1, 788583980), (2, 394291990), (4, 197145995), (5, 157716796), (10, 78858398), (19, 41504420), (20, 39429199), (23, 34286260), (38, 20752210), (46, 17143130), (76, 10376105), (92, 8571565), (95, 8300884), (115, 6857252), (190, 4150442), (230, 3428626), (380, 2075221), (437, 1804540), (460, 1714313), (874, 902270), (1748, 451135), (2185, 360908), (4370, 180454), (8740, 90227)]