2149968199700

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{5419}}^1\times {\mathrm{19937}}^1$

素因数の和:25569

約数の個数: 72

約数和(自身を含む): 4689975864000

約数和(自身を除く): 2540007664300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3980, 4975, 5419, 9950, 10838, 19900, 19937, 21676, 27095, 39874, 54190, 79748, 99685, 108380, 135475, 199370, 270950, 398740, 498425, 541900, 996850, 1078381, 1993700, 2156762, 3967463, 4313524, 5391905, 7934926, 10783810, 15869852, 19837315, 21567620, 26959525, 39674630, 53919050, 79349260, 99186575, 107838100, 108038603, 198373150, 216077206, 396746300, 432154412, 540193015, 1080386030, 2160772060, 2700965075, 5401930150, 10803860300, 21499681997, 42999363994, 85998727988, 107498409985, 214996819970, 429993639940, 537492049925, 1074984099850, 2149968199700]

約数ペア:

[(1, 2149968199700), (2, 1074984099850), (4, 537492049925), (5, 429993639940), (10, 214996819970), (20, 107498409985), (25, 85998727988), (50, 42999363994), (100, 21499681997), (199, 10803860300), (398, 5401930150), (796, 2700965075), (995, 2160772060), (1990, 1080386030), (3980, 540193015), (4975, 432154412), (5419, 396746300), (9950, 216077206), (10838, 198373150), (19900, 108038603), (19937, 107838100), (21676, 99186575), (27095, 79349260), (39874, 53919050), (54190, 39674630), (79748, 26959525), (99685, 21567620), (108380, 19837315), (135475, 15869852), (199370, 10783810), (270950, 7934926), (398740, 5391905), (498425, 4313524), (541900, 3967463), (996850, 2156762), (1078381, 1993700)]