7875140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4327}}^1$

素因数の和:4356

約数の個数: 48

約数和(自身を含む): 20358912

約数和(自身を除く): 12483772

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4327, 8654, 17308, 21635, 30289, 43270, 56251, 60578, 86540, 112502, 121156, 151445, 225004, 281255, 302890, 393757, 562510, 605780, 787514, 1125020, 1575028, 1968785, 3937570, 7875140]

約数ペア:

[(1, 7875140), (2, 3937570), (4, 1968785), (5, 1575028), (7, 1125020), (10, 787514), (13, 605780), (14, 562510), (20, 393757), (26, 302890), (28, 281255), (35, 225004), (52, 151445), (65, 121156), (70, 112502), (91, 86540), (130, 60578), (140, 56251), (182, 43270), (260, 30289), (364, 21635), (455, 17308), (910, 8654), (1820, 4327)]