200294320

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{431}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 482433408

約数和(自身を除く): 282139088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 157, 185, 296, 314, 370, 431, 592, 628, 740, 785, 862, 1256, 1480, 1570, 1724, 2155, 2512, 2960, 3140, 3448, 4310, 5809, 6280, 6896, 8620, 11618, 12560, 15947, 17240, 23236, 29045, 31894, 34480, 46472, 58090, 63788, 67667, 79735, 92944, 116180, 127576, 135334, 159470, 232360, 255152, 270668, 318940, 338335, 464720, 541336, 637880, 676670, 1082672, 1275760, 1353340, 2503679, 2706680, 5007358, 5413360, 10014716, 12518395, 20029432, 25036790, 40058864, 50073580, 100147160, 200294320]

約数ペア:

[(1, 200294320), (2, 100147160), (4, 50073580), (5, 40058864), (8, 25036790), (10, 20029432), (16, 12518395), (20, 10014716), (37, 5413360), (40, 5007358), (74, 2706680), (80, 2503679), (148, 1353340), (157, 1275760), (185, 1082672), (296, 676670), (314, 637880), (370, 541336), (431, 464720), (592, 338335), (628, 318940), (740, 270668), (785, 255152), (862, 232360), (1256, 159470), (1480, 135334), (1570, 127576), (1724, 116180), (2155, 92944), (2512, 79735), (2960, 67667), (3140, 63788), (3448, 58090), (4310, 46472), (5809, 34480), (6280, 31894), (6896, 29045), (8620, 23236), (11618, 17240), (12560, 15947)]