31496620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1373}}^1$

素因数の和:1450

約数の個数: 48

約数和(自身を含む): 70172928

約数和(自身を除く): 38676308

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 620, 740, 1147, 1373, 2294, 2746, 4588, 5492, 5735, 6865, 11470, 13730, 22940, 27460, 42563, 50801, 85126, 101602, 170252, 203204, 212815, 254005, 425630, 508010, 851260, 1016020, 1574831, 3149662, 6299324, 7874155, 15748310, 31496620]

約数ペア:

[(1, 31496620), (2, 15748310), (4, 7874155), (5, 6299324), (10, 3149662), (20, 1574831), (31, 1016020), (37, 851260), (62, 508010), (74, 425630), (124, 254005), (148, 212815), (155, 203204), (185, 170252), (310, 101602), (370, 85126), (620, 50801), (740, 42563), (1147, 27460), (1373, 22940), (2294, 13730), (2746, 11470), (4588, 6865), (5492, 5735)]