158959400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{21481}}^1$

素因数の和:21534

約数の個数: 48

約数和(自身を含む): 379586940

約数和(自身を除く): 220627540

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 74, 100, 148, 185, 200, 296, 370, 740, 925, 1480, 1850, 3700, 7400, 21481, 42962, 85924, 107405, 171848, 214810, 429620, 537025, 794797, 859240, 1074050, 1589594, 2148100, 3179188, 3973985, 4296200, 6358376, 7947970, 15895940, 19869925, 31791880, 39739850, 79479700, 158959400]

約数ペア:

[(1, 158959400), (2, 79479700), (4, 39739850), (5, 31791880), (8, 19869925), (10, 15895940), (20, 7947970), (25, 6358376), (37, 4296200), (40, 3973985), (50, 3179188), (74, 2148100), (100, 1589594), (148, 1074050), (185, 859240), (200, 794797), (296, 537025), (370, 429620), (740, 214810), (925, 171848), (1480, 107405), (1850, 85924), (3700, 42962), (7400, 21481)]