7239620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 16329600

約数和(自身を除く): 9089980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 107, 170, 199, 214, 340, 398, 428, 535, 796, 995, 1070, 1819, 1990, 2140, 3383, 3638, 3980, 6766, 7276, 9095, 13532, 16915, 18190, 21293, 33830, 36380, 42586, 67660, 85172, 106465, 212930, 361981, 425860, 723962, 1447924, 1809905, 3619810, 7239620]

約数ペア:

[(1, 7239620), (2, 3619810), (4, 1809905), (5, 1447924), (10, 723962), (17, 425860), (20, 361981), (34, 212930), (68, 106465), (85, 85172), (107, 67660), (170, 42586), (199, 36380), (214, 33830), (340, 21293), (398, 18190), (428, 16915), (535, 13532), (796, 9095), (995, 7276), (1070, 6766), (1819, 3980), (1990, 3638), (2140, 3383)]