12923420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 29030400

約数和(自身を除く): 16106980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 479, 710, 958, 1349, 1420, 1916, 2395, 2698, 4790, 5396, 6745, 9101, 9580, 13490, 18202, 26980, 34009, 36404, 45505, 68018, 91010, 136036, 170045, 182020, 340090, 646171, 680180, 1292342, 2584684, 3230855, 6461710, 12923420]

約数ペア:

[(1, 12923420), (2, 6461710), (4, 3230855), (5, 2584684), (10, 1292342), (19, 680180), (20, 646171), (38, 340090), (71, 182020), (76, 170045), (95, 136036), (142, 91010), (190, 68018), (284, 45505), (355, 36404), (380, 34009), (479, 26980), (710, 18202), (958, 13490), (1349, 9580), (1420, 9101), (1916, 6745), (2395, 5396), (2698, 4790)]