997335020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1481}}^1\times {\mathrm{3061}}^1$

素因数の和:4562

約数の個数: 48

約数和(自身を含む): 2287093536

約数和(自身を除く): 1289758516

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1481, 2962, 3061, 5924, 6122, 7405, 12244, 14810, 15305, 16291, 29620, 30610, 32582, 33671, 61220, 65164, 67342, 81455, 134684, 162910, 168355, 325820, 336710, 673420, 4533341, 9066682, 18133364, 22666705, 45333410, 49866751, 90666820, 99733502, 199467004, 249333755, 498667510, 997335020]

約数ペア:

[(1, 997335020), (2, 498667510), (4, 249333755), (5, 199467004), (10, 99733502), (11, 90666820), (20, 49866751), (22, 45333410), (44, 22666705), (55, 18133364), (110, 9066682), (220, 4533341), (1481, 673420), (2962, 336710), (3061, 325820), (5924, 168355), (6122, 162910), (7405, 134684), (12244, 81455), (14810, 67342), (15305, 65164), (16291, 61220), (29620, 33671), (30610, 32582)]