212859280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1069}}^1$

素因数の和:1232

約数の個数: 80

約数和(自身を含む): 525412800

約数和(自身を除く): 312553520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 262, 304, 380, 524, 655, 760, 1048, 1069, 1310, 1520, 2096, 2138, 2489, 2620, 4276, 4978, 5240, 5345, 8552, 9956, 10480, 10690, 12445, 17104, 19912, 20311, 21380, 24890, 39824, 40622, 42760, 49780, 81244, 85520, 99560, 101555, 140039, 162488, 199120, 203110, 280078, 324976, 406220, 560156, 700195, 812440, 1120312, 1400390, 1624880, 2240624, 2660741, 2800780, 5321482, 5601560, 10642964, 11203120, 13303705, 21285928, 26607410, 42571856, 53214820, 106429640, 212859280]

約数ペア:

[(1, 212859280), (2, 106429640), (4, 53214820), (5, 42571856), (8, 26607410), (10, 21285928), (16, 13303705), (19, 11203120), (20, 10642964), (38, 5601560), (40, 5321482), (76, 2800780), (80, 2660741), (95, 2240624), (131, 1624880), (152, 1400390), (190, 1120312), (262, 812440), (304, 700195), (380, 560156), (524, 406220), (655, 324976), (760, 280078), (1048, 203110), (1069, 199120), (1310, 162488), (1520, 140039), (2096, 101555), (2138, 99560), (2489, 85520), (2620, 81244), (4276, 49780), (4978, 42760), (5240, 40622), (5345, 39824), (8552, 24890), (9956, 21380), (10480, 20311), (10690, 19912), (12445, 17104)]