1820390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 64

約数和(自身を含む): 4112640

約数和(自身を除く): 2292250

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 67, 95, 110, 130, 134, 143, 190, 209, 247, 286, 335, 418, 494, 670, 715, 737, 871, 1045, 1235, 1273, 1430, 1474, 1742, 2090, 2470, 2546, 2717, 3685, 4355, 5434, 6365, 7370, 8710, 9581, 12730, 13585, 14003, 16549, 19162, 27170, 28006, 33098, 47905, 70015, 82745, 95810, 140030, 165490, 182039, 364078, 910195, 1820390]

約数ペア:

[(1, 1820390), (2, 910195), (5, 364078), (10, 182039), (11, 165490), (13, 140030), (19, 95810), (22, 82745), (26, 70015), (38, 47905), (55, 33098), (65, 28006), (67, 27170), (95, 19162), (110, 16549), (130, 14003), (134, 13585), (143, 12730), (190, 9581), (209, 8710), (247, 7370), (286, 6365), (335, 5434), (418, 4355), (494, 3685), (670, 2717), (715, 2546), (737, 2470), (871, 2090), (1045, 1742), (1235, 1474), (1273, 1430)]