919920260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{107719}}^1$

素因数の和:107796

約数の個数: 48

約数和(自身を含む): 2244023040

約数和(自身を除く): 1324102780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 107719, 215438, 430876, 538595, 754033, 1077190, 1508066, 2154380, 3016132, 3770165, 6570859, 7540330, 13141718, 15080660, 26283436, 32854295, 45996013, 65708590, 91992026, 131417180, 183984052, 229980065, 459960130, 919920260]

約数ペア:

[(1, 919920260), (2, 459960130), (4, 229980065), (5, 183984052), (7, 131417180), (10, 91992026), (14, 65708590), (20, 45996013), (28, 32854295), (35, 26283436), (61, 15080660), (70, 13141718), (122, 7540330), (140, 6570859), (244, 3770165), (305, 3016132), (427, 2154380), (610, 1508066), (854, 1077190), (1220, 754033), (1708, 538595), (2135, 430876), (4270, 215438), (8540, 107719)]