28554340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 63645120

約数和(自身を除く): 35090780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 163, 190, 326, 380, 461, 652, 815, 922, 1630, 1844, 2305, 3097, 3260, 4610, 6194, 8759, 9220, 12388, 15485, 17518, 30970, 35036, 43795, 61940, 75143, 87590, 150286, 175180, 300572, 375715, 751430, 1427717, 1502860, 2855434, 5710868, 7138585, 14277170, 28554340]

約数ペア:

[(1, 28554340), (2, 14277170), (4, 7138585), (5, 5710868), (10, 2855434), (19, 1502860), (20, 1427717), (38, 751430), (76, 375715), (95, 300572), (163, 175180), (190, 150286), (326, 87590), (380, 75143), (461, 61940), (652, 43795), (815, 35036), (922, 30970), (1630, 17518), (1844, 15485), (2305, 12388), (3097, 9220), (3260, 8759), (4610, 6194)]