86498440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{308923}}^1$

素因数の和:308941

約数の個数: 32

約数和(自身を含む): 222425280

約数和(自身を除く): 135926840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 308923, 617846, 1235692, 1544615, 2162461, 2471384, 3089230, 4324922, 6178460, 8649844, 10812305, 12356920, 17299688, 21624610, 43249220, 86498440]

約数ペア:

[(1, 86498440), (2, 43249220), (4, 21624610), (5, 17299688), (7, 12356920), (8, 10812305), (10, 8649844), (14, 6178460), (20, 4324922), (28, 3089230), (35, 2471384), (40, 2162461), (56, 1544615), (70, 1235692), (140, 617846), (280, 308923)]