81773020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{1627}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 196922880

約数和(自身を除く): 115149860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 718, 1436, 1627, 1795, 2513, 3254, 3590, 5026, 6508, 7180, 8135, 10052, 11389, 12565, 16270, 22778, 25130, 32540, 45556, 50260, 56945, 113890, 227780, 584093, 1168186, 2336372, 2920465, 4088651, 5840930, 8177302, 11681860, 16354604, 20443255, 40886510, 81773020]

約数ペア:

[(1, 81773020), (2, 40886510), (4, 20443255), (5, 16354604), (7, 11681860), (10, 8177302), (14, 5840930), (20, 4088651), (28, 2920465), (35, 2336372), (70, 1168186), (140, 584093), (359, 227780), (718, 113890), (1436, 56945), (1627, 50260), (1795, 45556), (2513, 32540), (3254, 25130), (3590, 22778), (5026, 16270), (6508, 12565), (7180, 11389), (8135, 10052)]