247454220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1129}}^1$

素因数の和:1435

約数の個数: 96

約数和(自身を含む): 749488320

約数和(自身を除く): 502034100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 281, 390, 562, 780, 843, 1124, 1129, 1405, 1686, 2258, 2810, 3372, 3387, 3653, 4215, 4516, 5620, 5645, 6774, 7306, 8430, 10959, 11290, 13548, 14612, 14677, 16860, 16935, 18265, 21918, 22580, 29354, 33870, 36530, 43836, 44031, 54795, 58708, 67740, 73060, 73385, 88062, 109590, 146770, 176124, 219180, 220155, 293540, 317249, 440310, 634498, 880620, 951747, 1268996, 1586245, 1903494, 3172490, 3806988, 4124237, 4758735, 6344980, 8248474, 9517470, 12372711, 16496948, 19034940, 20621185, 24745422, 41242370, 49490844, 61863555, 82484740, 123727110, 247454220]

約数ペア:

[(1, 247454220), (2, 123727110), (3, 82484740), (4, 61863555), (5, 49490844), (6, 41242370), (10, 24745422), (12, 20621185), (13, 19034940), (15, 16496948), (20, 12372711), (26, 9517470), (30, 8248474), (39, 6344980), (52, 4758735), (60, 4124237), (65, 3806988), (78, 3172490), (130, 1903494), (156, 1586245), (195, 1268996), (260, 951747), (281, 880620), (390, 634498), (562, 440310), (780, 317249), (843, 293540), (1124, 220155), (1129, 219180), (1405, 176124), (1686, 146770), (2258, 109590), (2810, 88062), (3372, 73385), (3387, 73060), (3653, 67740), (4215, 58708), (4516, 54795), (5620, 44031), (5645, 43836), (6774, 36530), (7306, 33870), (8430, 29354), (10959, 22580), (11290, 21918), (13548, 18265), (14612, 16935), (14677, 16860)]