270515980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{2239}}^1$

素因数の和:3118

約数の個数: 48

約数和(自身を含む): 650280960

約数和(自身を除く): 379764980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 863, 1726, 2239, 3452, 4315, 4478, 6041, 8630, 8956, 11195, 12082, 15673, 17260, 22390, 24164, 30205, 31346, 44780, 60410, 62692, 78365, 120820, 156730, 313460, 1932257, 3864514, 7729028, 9661285, 13525799, 19322570, 27051598, 38645140, 54103196, 67628995, 135257990, 270515980]

約数ペア:

[(1, 270515980), (2, 135257990), (4, 67628995), (5, 54103196), (7, 38645140), (10, 27051598), (14, 19322570), (20, 13525799), (28, 9661285), (35, 7729028), (70, 3864514), (140, 1932257), (863, 313460), (1726, 156730), (2239, 120820), (3452, 78365), (4315, 62692), (4478, 60410), (6041, 44780), (8630, 31346), (8956, 30205), (11195, 24164), (12082, 22390), (15673, 17260)]