1245111010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20249}}^1$

素因数の和:20323

約数の個数: 64

約数和(自身を含む): 2694384000

約数和(自身を除く): 1449272990

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 130, 143, 215, 286, 430, 473, 559, 715, 946, 1118, 1430, 2365, 2795, 4730, 5590, 6149, 12298, 20249, 30745, 40498, 61490, 101245, 202490, 222739, 263237, 445478, 526474, 870707, 1113695, 1316185, 1741414, 2227390, 2632370, 2895607, 4353535, 5791214, 8707070, 9577777, 11319191, 14478035, 19155554, 22638382, 28956070, 47888885, 56595955, 95777770, 113191910, 124511101, 249022202, 622555505, 1245111010]

約数ペア:

[(1, 1245111010), (2, 622555505), (5, 249022202), (10, 124511101), (11, 113191910), (13, 95777770), (22, 56595955), (26, 47888885), (43, 28956070), (55, 22638382), (65, 19155554), (86, 14478035), (110, 11319191), (130, 9577777), (143, 8707070), (215, 5791214), (286, 4353535), (430, 2895607), (473, 2632370), (559, 2227390), (715, 1741414), (946, 1316185), (1118, 1113695), (1430, 870707), (2365, 526474), (2795, 445478), (4730, 263237), (5590, 222739), (6149, 202490), (12298, 101245), (20249, 61490), (30745, 40498)]