201193520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2357}}^1$

素因数の和:2478

約数の個数: 80

約数和(自身を含む): 515779488

約数和(自身を除く): 314585968

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 388, 440, 485, 776, 880, 970, 1067, 1552, 1940, 2134, 2357, 3880, 4268, 4714, 5335, 7760, 8536, 9428, 10670, 11785, 17072, 18856, 21340, 23570, 25927, 37712, 42680, 47140, 51854, 85360, 94280, 103708, 129635, 188560, 207416, 228629, 259270, 414832, 457258, 518540, 914516, 1037080, 1143145, 1829032, 2074160, 2286290, 2514919, 3658064, 4572580, 5029838, 9145160, 10059676, 12574595, 18290320, 20119352, 25149190, 40238704, 50298380, 100596760, 201193520]

約数ペア:

[(1, 201193520), (2, 100596760), (4, 50298380), (5, 40238704), (8, 25149190), (10, 20119352), (11, 18290320), (16, 12574595), (20, 10059676), (22, 9145160), (40, 5029838), (44, 4572580), (55, 3658064), (80, 2514919), (88, 2286290), (97, 2074160), (110, 1829032), (176, 1143145), (194, 1037080), (220, 914516), (388, 518540), (440, 457258), (485, 414832), (776, 259270), (880, 228629), (970, 207416), (1067, 188560), (1552, 129635), (1940, 103708), (2134, 94280), (2357, 85360), (3880, 51854), (4268, 47140), (4714, 42680), (5335, 37712), (7760, 25927), (8536, 23570), (9428, 21340), (10670, 18856), (11785, 17072)]