264406840

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:832

約数の個数: 64

約数和(自身を含む): 608160960

約数和(自身を除く): 343754120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 157, 284, 314, 355, 568, 593, 628, 710, 785, 1186, 1256, 1420, 1570, 2372, 2840, 2965, 3140, 4744, 5930, 6280, 11147, 11860, 22294, 23720, 42103, 44588, 55735, 84206, 89176, 93101, 111470, 168412, 186202, 210515, 222940, 336824, 372404, 421030, 445880, 465505, 744808, 842060, 931010, 1684120, 1862020, 3724040, 6610171, 13220342, 26440684, 33050855, 52881368, 66101710, 132203420, 264406840]

約数ペア:

[(1, 264406840), (2, 132203420), (4, 66101710), (5, 52881368), (8, 33050855), (10, 26440684), (20, 13220342), (40, 6610171), (71, 3724040), (142, 1862020), (157, 1684120), (284, 931010), (314, 842060), (355, 744808), (568, 465505), (593, 445880), (628, 421030), (710, 372404), (785, 336824), (1186, 222940), (1256, 210515), (1420, 186202), (1570, 168412), (2372, 111470), (2840, 93101), (2965, 89176), (3140, 84206), (4744, 55735), (5930, 44588), (6280, 42103), (11147, 23720), (11860, 22294)]