423026620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{1493}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 919634688

約数和(自身を除く): 496608068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 457, 620, 914, 1493, 1828, 2285, 2986, 4570, 5972, 7465, 9140, 14167, 14930, 28334, 29860, 46283, 56668, 70835, 92566, 141670, 185132, 231415, 283340, 462830, 682301, 925660, 1364602, 2729204, 3411505, 6823010, 13646020, 21151331, 42302662, 84605324, 105756655, 211513310, 423026620]

約数ペア:

[(1, 423026620), (2, 211513310), (4, 105756655), (5, 84605324), (10, 42302662), (20, 21151331), (31, 13646020), (62, 6823010), (124, 3411505), (155, 2729204), (310, 1364602), (457, 925660), (620, 682301), (914, 462830), (1493, 283340), (1828, 231415), (2285, 185132), (2986, 141670), (4570, 92566), (5972, 70835), (7465, 56668), (9140, 46283), (14167, 29860), (14930, 28334)]