157049720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126653}}^1$

素因数の和:126695

約数の個数: 32

約数和(自身を含む): 364763520

約数和(自身を除く): 207713800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 126653, 253306, 506612, 633265, 1013224, 1266530, 2533060, 3926243, 5066120, 7852486, 15704972, 19631215, 31409944, 39262430, 78524860, 157049720]

約数ペア:

[(1, 157049720), (2, 78524860), (4, 39262430), (5, 31409944), (8, 19631215), (10, 15704972), (20, 7852486), (31, 5066120), (40, 3926243), (62, 2533060), (124, 1266530), (155, 1013224), (248, 633265), (310, 506612), (620, 253306), (1240, 126653)]