289744780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{30119}}^1$

素因数の和:30178

約数の個数: 48

約数和(自身を含む): 673001280

約数和(自身を除く): 383256500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 30119, 60238, 120476, 150595, 301190, 391547, 602380, 783094, 1114403, 1566188, 1957735, 2228806, 3915470, 4457612, 5572015, 7830940, 11144030, 14487239, 22288060, 28974478, 57948956, 72436195, 144872390, 289744780]

約数ペア:

[(1, 289744780), (2, 144872390), (4, 72436195), (5, 57948956), (10, 28974478), (13, 22288060), (20, 14487239), (26, 11144030), (37, 7830940), (52, 5572015), (65, 4457612), (74, 3915470), (130, 2228806), (148, 1957735), (185, 1566188), (260, 1114403), (370, 783094), (481, 602380), (740, 391547), (962, 301190), (1924, 150595), (2405, 120476), (4810, 60238), (9620, 30119)]