80953300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 186863040

約数和(自身を除く): 105909740

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 137, 190, 274, 311, 380, 475, 548, 622, 685, 950, 1244, 1370, 1555, 1900, 2603, 2740, 3110, 3425, 5206, 5909, 6220, 6850, 7775, 10412, 11818, 13015, 13700, 15550, 23636, 26030, 29545, 31100, 42607, 52060, 59090, 65075, 85214, 118180, 130150, 147725, 170428, 213035, 260300, 295450, 426070, 590900, 809533, 852140, 1065175, 1619066, 2130350, 3238132, 4047665, 4260700, 8095330, 16190660, 20238325, 40476650, 80953300]

約数ペア:

[(1, 80953300), (2, 40476650), (4, 20238325), (5, 16190660), (10, 8095330), (19, 4260700), (20, 4047665), (25, 3238132), (38, 2130350), (50, 1619066), (76, 1065175), (95, 852140), (100, 809533), (137, 590900), (190, 426070), (274, 295450), (311, 260300), (380, 213035), (475, 170428), (548, 147725), (622, 130150), (685, 118180), (950, 85214), (1244, 65075), (1370, 59090), (1555, 52060), (1900, 42607), (2603, 31100), (2740, 29545), (3110, 26030), (3425, 23636), (5206, 15550), (5909, 13700), (6220, 13015), (6850, 11818), (7775, 10412)]