74987180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 85889620

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 199, 227, 332, 398, 415, 454, 796, 830, 908, 995, 1135, 1660, 1990, 2270, 3980, 4540, 16517, 18841, 33034, 37682, 45173, 66068, 75364, 82585, 90346, 94205, 165170, 180692, 188410, 225865, 330340, 376820, 451730, 903460, 3749359, 7498718, 14997436, 18746795, 37493590, 74987180]

約数ペア:

[(1, 74987180), (2, 37493590), (4, 18746795), (5, 14997436), (10, 7498718), (20, 3749359), (83, 903460), (166, 451730), (199, 376820), (227, 330340), (332, 225865), (398, 188410), (415, 180692), (454, 165170), (796, 94205), (830, 90346), (908, 82585), (995, 75364), (1135, 66068), (1660, 45173), (1990, 37682), (2270, 33034), (3980, 18841), (4540, 16517)]