221260691240

素因数分解:

$2^3\times 5^1\times {\mathrm{17417}}^1\times {\mathrm{317593}}^1$

素因数の和:335021

約数の個数: 32

約数和(自身を含む): 497866706280

約数和(自身を除く): 276606015040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17417, 34834, 69668, 87085, 139336, 174170, 317593, 348340, 635186, 696680, 1270372, 1587965, 2540744, 3175930, 6351860, 12703720, 5531517281, 11063034562, 22126069124, 27657586405, 44252138248, 55315172810, 110630345620, 221260691240]

約数ペア:

[(1, 221260691240), (2, 110630345620), (4, 55315172810), (5, 44252138248), (8, 27657586405), (10, 22126069124), (20, 11063034562), (40, 5531517281), (17417, 12703720), (34834, 6351860), (69668, 3175930), (87085, 2540744), (139336, 1587965), (174170, 1270372), (317593, 696680), (348340, 635186)]