89845980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{213919}}^1$

素因数の和:213938

約数の個数: 48

約数和(自身を含む): 287508480

約数和(自身を除く): 197662500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 213919, 427838, 641757, 855676, 1069595, 1283514, 1497433, 2139190, 2567028, 2994866, 3208785, 4278380, 4492299, 5989732, 6417570, 7487165, 8984598, 12835140, 14974330, 17969196, 22461495, 29948660, 44922990, 89845980]

約数ペア:

[(1, 89845980), (2, 44922990), (3, 29948660), (4, 22461495), (5, 17969196), (6, 14974330), (7, 12835140), (10, 8984598), (12, 7487165), (14, 6417570), (15, 5989732), (20, 4492299), (21, 4278380), (28, 3208785), (30, 2994866), (35, 2567028), (42, 2139190), (60, 1497433), (70, 1283514), (84, 1069595), (105, 855676), (140, 641757), (210, 427838), (420, 213919)]