180228790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{18523}}^1$

素因数の和:18676

約数の個数: 32

約数和(自身を含む): 373443840

約数和(自身を除く): 193215050

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 9730, 18523, 37046, 92615, 129661, 185230, 259322, 648305, 1296610, 2574697, 5149394, 12873485, 18022879, 25746970, 36045758, 90114395, 180228790]

約数ペア:

[(1, 180228790), (2, 90114395), (5, 36045758), (7, 25746970), (10, 18022879), (14, 12873485), (35, 5149394), (70, 2574697), (139, 1296610), (278, 648305), (695, 259322), (973, 185230), (1390, 129661), (1946, 92615), (4865, 37046), (9730, 18523)]