398450040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2087}}^1$

素因数の和:2181

約数の個数: 128

約数和(自身を含む): 1256808960

約数和(自身を除く): 858358920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 344, 370, 430, 444, 516, 555, 645, 740, 860, 888, 1032, 1110, 1290, 1480, 1591, 1720, 2087, 2220, 2580, 3182, 4174, 4440, 4773, 5160, 6261, 6364, 7955, 8348, 9546, 10435, 12522, 12728, 15910, 16696, 19092, 20870, 23865, 25044, 31305, 31820, 38184, 41740, 47730, 50088, 62610, 63640, 77219, 83480, 89741, 95460, 125220, 154438, 179482, 190920, 231657, 250440, 269223, 308876, 358964, 386095, 448705, 463314, 538446, 617752, 717928, 772190, 897410, 926628, 1076892, 1158285, 1346115, 1544380, 1794820, 1853256, 2153784, 2316570, 2692230, 3088760, 3320417, 3589640, 4633140, 5384460, 6640834, 9266280, 9961251, 10768920, 13281668, 16602085, 19922502, 26563336, 33204170, 39845004, 49806255, 66408340, 79690008, 99612510, 132816680, 199225020, 398450040]

約数ペア:

[(1, 398450040), (2, 199225020), (3, 132816680), (4, 99612510), (5, 79690008), (6, 66408340), (8, 49806255), (10, 39845004), (12, 33204170), (15, 26563336), (20, 19922502), (24, 16602085), (30, 13281668), (37, 10768920), (40, 9961251), (43, 9266280), (60, 6640834), (74, 5384460), (86, 4633140), (111, 3589640), (120, 3320417), (129, 3088760), (148, 2692230), (172, 2316570), (185, 2153784), (215, 1853256), (222, 1794820), (258, 1544380), (296, 1346115), (344, 1158285), (370, 1076892), (430, 926628), (444, 897410), (516, 772190), (555, 717928), (645, 617752), (740, 538446), (860, 463314), (888, 448705), (1032, 386095), (1110, 358964), (1290, 308876), (1480, 269223), (1591, 250440), (1720, 231657), (2087, 190920), (2220, 179482), (2580, 154438), (3182, 125220), (4174, 95460), (4440, 89741), (4773, 83480), (5160, 77219), (6261, 63640), (6364, 62610), (7955, 50088), (8348, 47730), (9546, 41740), (10435, 38184), (12522, 31820), (12728, 31305), (15910, 25044), (16696, 23865), (19092, 20870)]