201808540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{317}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 430063200

約数和(自身を除く): 228254660

約数列:

[1, 2, 4, 5, 10, 20, 139, 229, 278, 317, 458, 556, 634, 695, 916, 1145, 1268, 1390, 1585, 2290, 2780, 3170, 4580, 6340, 31831, 44063, 63662, 72593, 88126, 127324, 145186, 159155, 176252, 220315, 290372, 318310, 362965, 440630, 636620, 725930, 881260, 1451860, 10090427, 20180854, 40361708, 50452135, 100904270, 201808540]

約数ペア:

[(1, 201808540), (2, 100904270), (4, 50452135), (5, 40361708), (10, 20180854), (20, 10090427), (139, 1451860), (229, 881260), (278, 725930), (317, 636620), (458, 440630), (556, 362965), (634, 318310), (695, 290372), (916, 220315), (1145, 176252), (1268, 159155), (1390, 145186), (1585, 127324), (2290, 88126), (2780, 72593), (3170, 63662), (4580, 44063), (6340, 31831)]