340804780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{27091}}^1$

素因数の和:27154

約数の個数: 48

約数和(自身を含む): 778298976

約数和(自身を除く): 437494196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290, 12580, 27091, 54182, 108364, 135455, 270910, 460547, 541820, 921094, 1002367, 1842188, 2004734, 2302735, 4009468, 4605470, 5011835, 9210940, 10023670, 17040239, 20047340, 34080478, 68160956, 85201195, 170402390, 340804780]

約数ペア:

[(1, 340804780), (2, 170402390), (4, 85201195), (5, 68160956), (10, 34080478), (17, 20047340), (20, 17040239), (34, 10023670), (37, 9210940), (68, 5011835), (74, 4605470), (85, 4009468), (148, 2302735), (170, 2004734), (185, 1842188), (340, 1002367), (370, 921094), (629, 541820), (740, 460547), (1258, 270910), (2516, 135455), (3145, 108364), (6290, 54182), (12580, 27091)]