305110780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{5897}}^1$

素因数の和:6118

約数の個数: 48

約数和(自身を含む): 693604800

約数和(自身を除く): 388494020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 5897, 10348, 11794, 12935, 23588, 25870, 29485, 51740, 58970, 76661, 117940, 153322, 306644, 383305, 766610, 1173503, 1533220, 2347006, 4694012, 5867515, 11735030, 15255539, 23470060, 30511078, 61022156, 76277695, 152555390, 305110780]

約数ペア:

[(1, 305110780), (2, 152555390), (4, 76277695), (5, 61022156), (10, 30511078), (13, 23470060), (20, 15255539), (26, 11735030), (52, 5867515), (65, 4694012), (130, 2347006), (199, 1533220), (260, 1173503), (398, 766610), (796, 383305), (995, 306644), (1990, 153322), (2587, 117940), (3980, 76661), (5174, 58970), (5897, 51740), (10348, 29485), (11794, 25870), (12935, 23588)]