228657940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:377

約数の個数: 96

約数和(自身を含む): 563157504

約数和(自身を除く): 334499564

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 103, 140, 157, 202, 206, 314, 404, 412, 505, 515, 628, 707, 721, 785, 1010, 1030, 1099, 1414, 1442, 1570, 2020, 2060, 2198, 2828, 2884, 3140, 3535, 3605, 4396, 5495, 7070, 7210, 10403, 10990, 14140, 14420, 15857, 16171, 20806, 21980, 31714, 32342, 41612, 52015, 63428, 64684, 72821, 79285, 80855, 104030, 110999, 113197, 145642, 158570, 161710, 208060, 221998, 226394, 291284, 317140, 323420, 364105, 443996, 452788, 554995, 565985, 728210, 1109990, 1131970, 1456420, 1633271, 2219980, 2263940, 3266542, 6533084, 8166355, 11432897, 16332710, 22865794, 32665420, 45731588, 57164485, 114328970, 228657940]

約数ペア:

[(1, 228657940), (2, 114328970), (4, 57164485), (5, 45731588), (7, 32665420), (10, 22865794), (14, 16332710), (20, 11432897), (28, 8166355), (35, 6533084), (70, 3266542), (101, 2263940), (103, 2219980), (140, 1633271), (157, 1456420), (202, 1131970), (206, 1109990), (314, 728210), (404, 565985), (412, 554995), (505, 452788), (515, 443996), (628, 364105), (707, 323420), (721, 317140), (785, 291284), (1010, 226394), (1030, 221998), (1099, 208060), (1414, 161710), (1442, 158570), (1570, 145642), (2020, 113197), (2060, 110999), (2198, 104030), (2828, 80855), (2884, 79285), (3140, 72821), (3535, 64684), (3605, 63428), (4396, 52015), (5495, 41612), (7070, 32342), (7210, 31714), (10403, 21980), (10990, 20806), (14140, 16171), (14420, 15857)]