153949720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{124153}}^1$

素因数の和:124195

約数の個数: 32

約数和(自身を含む): 357563520

約数和(自身を除く): 203613800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 124153, 248306, 496612, 620765, 993224, 1241530, 2483060, 3848743, 4966120, 7697486, 15394972, 19243715, 30789944, 38487430, 76974860, 153949720]

約数ペア:

[(1, 153949720), (2, 76974860), (4, 38487430), (5, 30789944), (8, 19243715), (10, 15394972), (20, 7697486), (31, 4966120), (40, 3848743), (62, 2483060), (124, 1241530), (155, 993224), (248, 620765), (310, 496612), (620, 248306), (1240, 124153)]