7896590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 16934400

約数和(自身を除く): 9037810

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 139, 190, 230, 247, 278, 299, 437, 494, 598, 695, 874, 1235, 1390, 1495, 1807, 2185, 2470, 2641, 2990, 3197, 3614, 4370, 5282, 5681, 6394, 9035, 11362, 13205, 15985, 18070, 26410, 28405, 31970, 34333, 41561, 56810, 60743, 68666, 83122, 121486, 171665, 207805, 303715, 343330, 415610, 607430, 789659, 1579318, 3948295, 7896590]

約数ペア:

[(1, 7896590), (2, 3948295), (5, 1579318), (10, 789659), (13, 607430), (19, 415610), (23, 343330), (26, 303715), (38, 207805), (46, 171665), (65, 121486), (95, 83122), (115, 68666), (130, 60743), (139, 56810), (190, 41561), (230, 34333), (247, 31970), (278, 28405), (299, 26410), (437, 18070), (494, 15985), (598, 13205), (695, 11362), (874, 9035), (1235, 6394), (1390, 5681), (1495, 5282), (1807, 4370), (2185, 3614), (2470, 3197), (2641, 2990)]