86720690

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 184377600

約数和(自身を除く): 97656910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 193, 245, 262, 343, 386, 490, 655, 686, 917, 965, 1310, 1351, 1715, 1834, 1930, 2702, 3430, 4585, 6419, 6755, 9170, 9457, 12838, 13510, 18914, 25283, 32095, 44933, 47285, 50566, 64190, 66199, 89866, 94570, 126415, 132398, 176981, 224665, 252830, 330995, 353962, 449330, 661990, 884905, 1238867, 1769810, 2477734, 6194335, 8672069, 12388670, 17344138, 43360345, 86720690]

約数ペア:

[(1, 86720690), (2, 43360345), (5, 17344138), (7, 12388670), (10, 8672069), (14, 6194335), (35, 2477734), (49, 1769810), (70, 1238867), (98, 884905), (131, 661990), (193, 449330), (245, 353962), (262, 330995), (343, 252830), (386, 224665), (490, 176981), (655, 132398), (686, 126415), (917, 94570), (965, 89866), (1310, 66199), (1351, 64190), (1715, 50566), (1834, 47285), (1930, 44933), (2702, 32095), (3430, 25283), (4585, 18914), (6419, 13510), (6755, 12838), (9170, 9457)]