389423600

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:675

約数の個数: 120

約数和(自身を含む): 985986000

約数和(自身を除く): 596562400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 59, 80, 100, 116, 118, 145, 200, 232, 236, 290, 295, 400, 464, 472, 569, 580, 590, 725, 944, 1138, 1160, 1180, 1450, 1475, 1711, 2276, 2320, 2360, 2845, 2900, 2950, 3422, 4552, 4720, 5690, 5800, 5900, 6844, 8555, 9104, 11380, 11600, 11800, 13688, 14225, 16501, 17110, 22760, 23600, 27376, 28450, 33002, 33571, 34220, 42775, 45520, 56900, 66004, 67142, 68440, 82505, 85550, 113800, 132008, 134284, 136880, 165010, 167855, 171100, 227600, 264016, 268568, 330020, 335710, 342200, 412525, 537136, 660040, 671420, 684400, 825050, 839275, 973559, 1320080, 1342840, 1650100, 1678550, 1947118, 2685680, 3300200, 3357100, 3894236, 4867795, 6600400, 6714200, 7788472, 9735590, 13428400, 15576944, 19471180, 24338975, 38942360, 48677950, 77884720, 97355900, 194711800, 389423600]

約数ペア:

[(1, 389423600), (2, 194711800), (4, 97355900), (5, 77884720), (8, 48677950), (10, 38942360), (16, 24338975), (20, 19471180), (25, 15576944), (29, 13428400), (40, 9735590), (50, 7788472), (58, 6714200), (59, 6600400), (80, 4867795), (100, 3894236), (116, 3357100), (118, 3300200), (145, 2685680), (200, 1947118), (232, 1678550), (236, 1650100), (290, 1342840), (295, 1320080), (400, 973559), (464, 839275), (472, 825050), (569, 684400), (580, 671420), (590, 660040), (725, 537136), (944, 412525), (1138, 342200), (1160, 335710), (1180, 330020), (1450, 268568), (1475, 264016), (1711, 227600), (2276, 171100), (2320, 167855), (2360, 165010), (2845, 136880), (2900, 134284), (2950, 132008), (3422, 113800), (4552, 85550), (4720, 82505), (5690, 68440), (5800, 67142), (5900, 66004), (6844, 56900), (8555, 45520), (9104, 42775), (11380, 34220), (11600, 33571), (11800, 33002), (13688, 28450), (14225, 27376), (16501, 23600), (17110, 22760)]