201995360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^2$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 583130016

約数和(自身を除く): 381134656

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 103, 112, 119, 136, 140, 160, 170, 206, 224, 238, 272, 280, 340, 412, 476, 515, 544, 560, 595, 680, 721, 824, 952, 1030, 1120, 1190, 1360, 1442, 1648, 1751, 1904, 2060, 2380, 2720, 2884, 3296, 3502, 3605, 3808, 4120, 4760, 5768, 7004, 7210, 8240, 8755, 9520, 10609, 11536, 12257, 14008, 14420, 16480, 17510, 19040, 21218, 23072, 24514, 28016, 28840, 35020, 42436, 49028, 53045, 56032, 57680, 61285, 70040, 74263, 84872, 98056, 106090, 115360, 122570, 140080, 148526, 169744, 180353, 196112, 212180, 245140, 280160, 297052, 339488, 360706, 371315, 392224, 424360, 490280, 594104, 721412, 742630, 848720, 901765, 980560, 1188208, 1262471, 1442824, 1485260, 1697440, 1803530, 1961120, 2376416, 2524942, 2885648, 2970520, 3607060, 5049884, 5771296, 5941040, 6312355, 7214120, 10099768, 11882080, 12624710, 14428240, 20199536, 25249420, 28856480, 40399072, 50498840, 100997680, 201995360]

約数ペア:

[(1, 201995360), (2, 100997680), (4, 50498840), (5, 40399072), (7, 28856480), (8, 25249420), (10, 20199536), (14, 14428240), (16, 12624710), (17, 11882080), (20, 10099768), (28, 7214120), (32, 6312355), (34, 5941040), (35, 5771296), (40, 5049884), (56, 3607060), (68, 2970520), (70, 2885648), (80, 2524942), (85, 2376416), (103, 1961120), (112, 1803530), (119, 1697440), (136, 1485260), (140, 1442824), (160, 1262471), (170, 1188208), (206, 980560), (224, 901765), (238, 848720), (272, 742630), (280, 721412), (340, 594104), (412, 490280), (476, 424360), (515, 392224), (544, 371315), (560, 360706), (595, 339488), (680, 297052), (721, 280160), (824, 245140), (952, 212180), (1030, 196112), (1120, 180353), (1190, 169744), (1360, 148526), (1442, 140080), (1648, 122570), (1751, 115360), (1904, 106090), (2060, 98056), (2380, 84872), (2720, 74263), (2884, 70040), (3296, 61285), (3502, 57680), (3605, 56032), (3808, 53045), (4120, 49028), (4760, 42436), (5768, 35020), (7004, 28840), (7210, 28016), (8240, 24514), (8755, 23072), (9520, 21218), (10609, 19040), (11536, 17510), (12257, 16480), (14008, 14420)]