1021351580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{8849}}^1$

素因数の和:9086

約数の個数: 48

約数和(自身を含む): 2230200000

約数和(自身を除く): 1208848420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 199, 290, 398, 580, 796, 995, 1990, 3980, 5771, 8849, 11542, 17698, 23084, 28855, 35396, 44245, 57710, 88490, 115420, 176980, 256621, 513242, 1026484, 1283105, 1760951, 2566210, 3521902, 5132420, 7043804, 8804755, 17609510, 35219020, 51067579, 102135158, 204270316, 255337895, 510675790, 1021351580]

約数ペア:

[(1, 1021351580), (2, 510675790), (4, 255337895), (5, 204270316), (10, 102135158), (20, 51067579), (29, 35219020), (58, 17609510), (116, 8804755), (145, 7043804), (199, 5132420), (290, 3521902), (398, 2566210), (580, 1760951), (796, 1283105), (995, 1026484), (1990, 513242), (3980, 256621), (5771, 176980), (8849, 115420), (11542, 88490), (17698, 57710), (23084, 44245), (28855, 35396)]