7388260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 17696448

約数和(自身を除く): 10308188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 71, 86, 110, 121, 142, 172, 215, 220, 242, 284, 355, 430, 473, 484, 605, 710, 781, 860, 946, 1210, 1420, 1562, 1892, 2365, 2420, 3053, 3124, 3905, 4730, 5203, 6106, 7810, 8591, 9460, 10406, 12212, 15265, 15620, 17182, 20812, 26015, 30530, 33583, 34364, 42955, 52030, 61060, 67166, 85910, 104060, 134332, 167915, 171820, 335830, 369413, 671660, 738826, 1477652, 1847065, 3694130, 7388260]

約数ペア:

[(1, 7388260), (2, 3694130), (4, 1847065), (5, 1477652), (10, 738826), (11, 671660), (20, 369413), (22, 335830), (43, 171820), (44, 167915), (55, 134332), (71, 104060), (86, 85910), (110, 67166), (121, 61060), (142, 52030), (172, 42955), (215, 34364), (220, 33583), (242, 30530), (284, 26015), (355, 20812), (430, 17182), (473, 15620), (484, 15265), (605, 12212), (710, 10406), (781, 9460), (860, 8591), (946, 7810), (1210, 6106), (1420, 5203), (1562, 4730), (1892, 3905), (2365, 3124), (2420, 3053)]