398522050

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{6271}}^1$

素因数の和:6355

約数の個数: 48

約数和(自身を含む): 783949824

約数和(自身を除く): 385427774

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 82, 155, 205, 310, 410, 775, 1025, 1271, 1550, 2050, 2542, 6271, 6355, 12542, 12710, 31355, 31775, 62710, 63550, 156775, 194401, 257111, 313550, 388802, 514222, 972005, 1285555, 1944010, 2571110, 4860025, 6427775, 7970441, 9720050, 12855550, 15940882, 39852205, 79704410, 199261025, 398522050]

約数ペア:

[(1, 398522050), (2, 199261025), (5, 79704410), (10, 39852205), (25, 15940882), (31, 12855550), (41, 9720050), (50, 7970441), (62, 6427775), (82, 4860025), (155, 2571110), (205, 1944010), (310, 1285555), (410, 972005), (775, 514222), (1025, 388802), (1271, 313550), (1550, 257111), (2050, 194401), (2542, 156775), (6271, 63550), (6355, 62710), (12542, 31775), (12710, 31355)]