838528040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2791}}^1$

素因数の和:2875

約数の個数: 128

約数和(自身を含む): 2291673600

約数和(自身を除く): 1453145560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 37, 40, 56, 58, 70, 74, 116, 140, 145, 148, 185, 203, 232, 259, 280, 290, 296, 370, 406, 518, 580, 740, 812, 1015, 1036, 1073, 1160, 1295, 1480, 1624, 2030, 2072, 2146, 2590, 2791, 4060, 4292, 5180, 5365, 5582, 7511, 8120, 8584, 10360, 10730, 11164, 13955, 15022, 19537, 21460, 22328, 27910, 30044, 37555, 39074, 42920, 55820, 60088, 75110, 78148, 80939, 97685, 103267, 111640, 150220, 156296, 161878, 195370, 206534, 300440, 323756, 390740, 404695, 413068, 516335, 566573, 647512, 722869, 781480, 809390, 826136, 1032670, 1133146, 1445738, 1618780, 2065340, 2266292, 2832865, 2891476, 2994743, 3237560, 3614345, 4130680, 4532584, 5665730, 5782952, 5989486, 7228690, 11331460, 11978972, 14457380, 14973715, 20963201, 22662920, 23957944, 28914760, 29947430, 41926402, 59894860, 83852804, 104816005, 119789720, 167705608, 209632010, 419264020, 838528040]

約数ペア:

[(1, 838528040), (2, 419264020), (4, 209632010), (5, 167705608), (7, 119789720), (8, 104816005), (10, 83852804), (14, 59894860), (20, 41926402), (28, 29947430), (29, 28914760), (35, 23957944), (37, 22662920), (40, 20963201), (56, 14973715), (58, 14457380), (70, 11978972), (74, 11331460), (116, 7228690), (140, 5989486), (145, 5782952), (148, 5665730), (185, 4532584), (203, 4130680), (232, 3614345), (259, 3237560), (280, 2994743), (290, 2891476), (296, 2832865), (370, 2266292), (406, 2065340), (518, 1618780), (580, 1445738), (740, 1133146), (812, 1032670), (1015, 826136), (1036, 809390), (1073, 781480), (1160, 722869), (1295, 647512), (1480, 566573), (1624, 516335), (2030, 413068), (2072, 404695), (2146, 390740), (2590, 323756), (2791, 300440), (4060, 206534), (4292, 195370), (5180, 161878), (5365, 156296), (5582, 150220), (7511, 111640), (8120, 103267), (8584, 97685), (10360, 80939), (10730, 78148), (11164, 75110), (13955, 60088), (15022, 55820), (19537, 42920), (21460, 39074), (22328, 37555), (27910, 30044)]