447879920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5179}}^1$

素因数の和:5262

約数の個数: 80

約数和(自身を含む): 1109928960

約数和(自身を除く): 662049040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 47, 80, 92, 94, 115, 184, 188, 230, 235, 368, 376, 460, 470, 752, 920, 940, 1081, 1840, 1880, 2162, 3760, 4324, 5179, 5405, 8648, 10358, 10810, 17296, 20716, 21620, 25895, 41432, 43240, 51790, 82864, 86480, 103580, 119117, 207160, 238234, 243413, 414320, 476468, 486826, 595585, 952936, 973652, 1191170, 1217065, 1905872, 1947304, 2382340, 2434130, 3894608, 4764680, 4868260, 5598499, 9529360, 9736520, 11196998, 19473040, 22393996, 27992495, 44787992, 55984990, 89575984, 111969980, 223939960, 447879920]

約数ペア:

[(1, 447879920), (2, 223939960), (4, 111969980), (5, 89575984), (8, 55984990), (10, 44787992), (16, 27992495), (20, 22393996), (23, 19473040), (40, 11196998), (46, 9736520), (47, 9529360), (80, 5598499), (92, 4868260), (94, 4764680), (115, 3894608), (184, 2434130), (188, 2382340), (230, 1947304), (235, 1905872), (368, 1217065), (376, 1191170), (460, 973652), (470, 952936), (752, 595585), (920, 486826), (940, 476468), (1081, 414320), (1840, 243413), (1880, 238234), (2162, 207160), (3760, 119117), (4324, 103580), (5179, 86480), (5405, 82864), (8648, 51790), (10358, 43240), (10810, 41432), (17296, 25895), (20716, 21620)]