193870280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{156347}}^1$

素因数の和:156389

約数の個数: 32

約数和(自身を含む): 450282240

約数和(自身を除く): 256411960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 156347, 312694, 625388, 781735, 1250776, 1563470, 3126940, 4846757, 6253880, 9693514, 19387028, 24233785, 38774056, 48467570, 96935140, 193870280]

約数ペア:

[(1, 193870280), (2, 96935140), (4, 48467570), (5, 38774056), (8, 24233785), (10, 19387028), (20, 9693514), (31, 6253880), (40, 4846757), (62, 3126940), (124, 1563470), (155, 1250776), (248, 781735), (310, 625388), (620, 312694), (1240, 156347)]