31370140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2663}}^1$

素因数の和:2722

約数の個数: 48

約数和(自身を含む): 71608320

約数和(自身を除く): 40238180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2663, 2945, 5326, 5890, 10652, 11780, 13315, 26630, 50597, 53260, 82553, 101194, 165106, 202388, 252985, 330212, 412765, 505970, 825530, 1011940, 1568507, 1651060, 3137014, 6274028, 7842535, 15685070, 31370140]

約数ペア:

[(1, 31370140), (2, 15685070), (4, 7842535), (5, 6274028), (10, 3137014), (19, 1651060), (20, 1568507), (31, 1011940), (38, 825530), (62, 505970), (76, 412765), (95, 330212), (124, 252985), (155, 202388), (190, 165106), (310, 101194), (380, 82553), (589, 53260), (620, 50597), (1178, 26630), (2356, 13315), (2663, 11780), (2945, 10652), (5326, 5890)]