888988460

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1\times {\mathrm{499}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 1883196000

約数和(自身を除く): 994207540

約数列:

[1, 2, 4, 5, 10, 20, 281, 317, 499, 562, 634, 998, 1124, 1268, 1405, 1585, 1996, 2495, 2810, 3170, 4990, 5620, 6340, 9980, 89077, 140219, 158183, 178154, 280438, 316366, 356308, 445385, 560876, 632732, 701095, 790915, 890770, 1402190, 1581830, 1781540, 2804380, 3163660, 44449423, 88898846, 177797692, 222247115, 444494230, 888988460]

約数ペア:

[(1, 888988460), (2, 444494230), (4, 222247115), (5, 177797692), (10, 88898846), (20, 44449423), (281, 3163660), (317, 2804380), (499, 1781540), (562, 1581830), (634, 1402190), (998, 890770), (1124, 790915), (1268, 701095), (1405, 632732), (1585, 560876), (1996, 445385), (2495, 356308), (2810, 316366), (3170, 280438), (4990, 178154), (5620, 158183), (6340, 140219), (9980, 89077)]