91804390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^2$

素因数の和:265

約数の個数: 48

約数和(自身を含む): 178805520

約数和(自身を除く): 87001130

約数列:

[1, 2, 5, 10, 19, 38, 61, 89, 95, 122, 178, 190, 305, 445, 610, 890, 1159, 1691, 2318, 3382, 5429, 5795, 7921, 8455, 10858, 11590, 15842, 16910, 27145, 39605, 54290, 79210, 103151, 150499, 206302, 300998, 483181, 515755, 752495, 966362, 1031510, 1504990, 2415905, 4831810, 9180439, 18360878, 45902195, 91804390]

約数ペア:

[(1, 91804390), (2, 45902195), (5, 18360878), (10, 9180439), (19, 4831810), (38, 2415905), (61, 1504990), (89, 1031510), (95, 966362), (122, 752495), (178, 515755), (190, 483181), (305, 300998), (445, 206302), (610, 150499), (890, 103151), (1159, 79210), (1691, 54290), (2318, 39605), (3382, 27145), (5429, 16910), (5795, 15842), (7921, 11590), (8455, 10858)]