200619280

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 477719424

約数和(自身を除く): 277100144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 103, 194, 206, 251, 388, 412, 485, 502, 515, 776, 824, 970, 1004, 1030, 1255, 1552, 1648, 1940, 2008, 2060, 2510, 3880, 4016, 4120, 5020, 7760, 8240, 9991, 10040, 19982, 20080, 24347, 25853, 39964, 48694, 49955, 51706, 79928, 97388, 99910, 103412, 121735, 129265, 159856, 194776, 199820, 206824, 243470, 258530, 389552, 399640, 413648, 486940, 517060, 799280, 973880, 1034120, 1947760, 2068240, 2507741, 5015482, 10030964, 12538705, 20061928, 25077410, 40123856, 50154820, 100309640, 200619280]

約数ペア:

[(1, 200619280), (2, 100309640), (4, 50154820), (5, 40123856), (8, 25077410), (10, 20061928), (16, 12538705), (20, 10030964), (40, 5015482), (80, 2507741), (97, 2068240), (103, 1947760), (194, 1034120), (206, 973880), (251, 799280), (388, 517060), (412, 486940), (485, 413648), (502, 399640), (515, 389552), (776, 258530), (824, 243470), (970, 206824), (1004, 199820), (1030, 194776), (1255, 159856), (1552, 129265), (1648, 121735), (1940, 103412), (2008, 99910), (2060, 97388), (2510, 79928), (3880, 51706), (4016, 49955), (4120, 48694), (5020, 39964), (7760, 25853), (8240, 24347), (9991, 20080), (10040, 19982)]