123221980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{7789}}^1$

素因数の和:7918

約数の個数: 48

約数和(自身を含む): 298388160

約数和(自身を除く): 175166180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 113, 140, 226, 452, 565, 791, 1130, 1582, 2260, 3164, 3955, 7789, 7910, 15578, 15820, 31156, 38945, 54523, 77890, 109046, 155780, 218092, 272615, 545230, 880157, 1090460, 1760314, 3520628, 4400785, 6161099, 8801570, 12322198, 17603140, 24644396, 30805495, 61610990, 123221980]

約数ペア:

[(1, 123221980), (2, 61610990), (4, 30805495), (5, 24644396), (7, 17603140), (10, 12322198), (14, 8801570), (20, 6161099), (28, 4400785), (35, 3520628), (70, 1760314), (113, 1090460), (140, 880157), (226, 545230), (452, 272615), (565, 218092), (791, 155780), (1130, 109046), (1582, 77890), (2260, 54523), (3164, 38945), (3955, 31156), (7789, 15820), (7910, 15578)]