678742540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{3407}}^1$

素因数の和:4846

約数の個数: 48

約数和(自身を含む): 1630605312

約数和(自身を除く): 951862772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1423, 2846, 3407, 5692, 6814, 7115, 9961, 13628, 14230, 17035, 19922, 23849, 28460, 34070, 39844, 47698, 49805, 68140, 95396, 99610, 119245, 199220, 238490, 476980, 4848161, 9696322, 19392644, 24240805, 33937127, 48481610, 67874254, 96963220, 135748508, 169685635, 339371270, 678742540]

約数ペア:

[(1, 678742540), (2, 339371270), (4, 169685635), (5, 135748508), (7, 96963220), (10, 67874254), (14, 48481610), (20, 33937127), (28, 24240805), (35, 19392644), (70, 9696322), (140, 4848161), (1423, 476980), (2846, 238490), (3407, 199220), (5692, 119245), (6814, 99610), (7115, 95396), (9961, 68140), (13628, 49805), (14230, 47698), (17035, 39844), (19922, 34070), (23849, 28460)]