426452120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{343913}}^1$

素因数の和:343955

約数の個数: 32

約数和(自身を含む): 990472320

約数和(自身を除く): 564020200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 343913, 687826, 1375652, 1719565, 2751304, 3439130, 6878260, 10661303, 13756520, 21322606, 42645212, 53306515, 85290424, 106613030, 213226060, 426452120]

約数ペア:

[(1, 426452120), (2, 213226060), (4, 106613030), (5, 85290424), (8, 53306515), (10, 42645212), (20, 21322606), (31, 13756520), (40, 10661303), (62, 6878260), (124, 3439130), (155, 2751304), (248, 1719565), (310, 1375652), (620, 687826), (1240, 343913)]