7911750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 24800256

約数和(自身を除く): 16888506

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 25, 30, 33, 35, 42, 50, 55, 66, 70, 75, 77, 105, 110, 125, 137, 150, 154, 165, 175, 210, 231, 250, 274, 275, 330, 350, 375, 385, 411, 462, 525, 550, 685, 750, 770, 822, 825, 875, 959, 1050, 1155, 1370, 1375, 1507, 1650, 1750, 1918, 1925, 2055, 2310, 2625, 2750, 2877, 3014, 3425, 3850, 4110, 4125, 4521, 4795, 5250, 5754, 5775, 6850, 7535, 8250, 9042, 9590, 9625, 10275, 10549, 11550, 14385, 15070, 17125, 19250, 20550, 21098, 22605, 23975, 28770, 28875, 31647, 34250, 37675, 45210, 47950, 51375, 52745, 57750, 63294, 71925, 75350, 102750, 105490, 113025, 119875, 143850, 158235, 188375, 226050, 239750, 263725, 316470, 359625, 376750, 527450, 565125, 719250, 791175, 1130250, 1318625, 1582350, 2637250, 3955875, 7911750]

約数ペア:

[(1, 7911750), (2, 3955875), (3, 2637250), (5, 1582350), (6, 1318625), (7, 1130250), (10, 791175), (11, 719250), (14, 565125), (15, 527450), (21, 376750), (22, 359625), (25, 316470), (30, 263725), (33, 239750), (35, 226050), (42, 188375), (50, 158235), (55, 143850), (66, 119875), (70, 113025), (75, 105490), (77, 102750), (105, 75350), (110, 71925), (125, 63294), (137, 57750), (150, 52745), (154, 51375), (165, 47950), (175, 45210), (210, 37675), (231, 34250), (250, 31647), (274, 28875), (275, 28770), (330, 23975), (350, 22605), (375, 21098), (385, 20550), (411, 19250), (462, 17125), (525, 15070), (550, 14385), (685, 11550), (750, 10549), (770, 10275), (822, 9625), (825, 9590), (875, 9042), (959, 8250), (1050, 7535), (1155, 6850), (1370, 5775), (1375, 5754), (1507, 5250), (1650, 4795), (1750, 4521), (1918, 4125), (1925, 4110), (2055, 3850), (2310, 3425), (2625, 3014), (2750, 2877)]