203154280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:371

約数の個数: 128

約数和(自身を含む): 547430400

約数和(自身を除く): 344276120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 127, 140, 145, 197, 203, 232, 254, 280, 290, 394, 406, 508, 580, 635, 788, 812, 889, 985, 1015, 1016, 1160, 1270, 1379, 1576, 1624, 1778, 1970, 2030, 2540, 2758, 3556, 3683, 3940, 4060, 4445, 5080, 5516, 5713, 6895, 7112, 7366, 7880, 8120, 8890, 11032, 11426, 13790, 14732, 17780, 18415, 22852, 25019, 25781, 27580, 28565, 29464, 35560, 36830, 39991, 45704, 50038, 51562, 55160, 57130, 73660, 79982, 100076, 103124, 114260, 125095, 128905, 147320, 159964, 175133, 199955, 200152, 206248, 228520, 250190, 257810, 319928, 350266, 399910, 500380, 515620, 700532, 725551, 799820, 875665, 1000760, 1031240, 1401064, 1451102, 1599640, 1751330, 2902204, 3502660, 3627755, 5078857, 5804408, 7005320, 7255510, 10157714, 14511020, 20315428, 25394285, 29022040, 40630856, 50788570, 101577140, 203154280]

約数ペア:

[(1, 203154280), (2, 101577140), (4, 50788570), (5, 40630856), (7, 29022040), (8, 25394285), (10, 20315428), (14, 14511020), (20, 10157714), (28, 7255510), (29, 7005320), (35, 5804408), (40, 5078857), (56, 3627755), (58, 3502660), (70, 2902204), (116, 1751330), (127, 1599640), (140, 1451102), (145, 1401064), (197, 1031240), (203, 1000760), (232, 875665), (254, 799820), (280, 725551), (290, 700532), (394, 515620), (406, 500380), (508, 399910), (580, 350266), (635, 319928), (788, 257810), (812, 250190), (889, 228520), (985, 206248), (1015, 200152), (1016, 199955), (1160, 175133), (1270, 159964), (1379, 147320), (1576, 128905), (1624, 125095), (1778, 114260), (1970, 103124), (2030, 100076), (2540, 79982), (2758, 73660), (3556, 57130), (3683, 55160), (3940, 51562), (4060, 50038), (4445, 45704), (5080, 39991), (5516, 36830), (5713, 35560), (6895, 29464), (7112, 28565), (7366, 27580), (7880, 25781), (8120, 25019), (8890, 22852), (11032, 18415), (11426, 17780), (13790, 14732)]