13898500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 144

約数和(自身を含む): 39940992

約数和(自身を除く): 26042492

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 25, 28, 35, 38, 44, 50, 55, 70, 76, 77, 95, 100, 110, 125, 133, 140, 154, 175, 190, 209, 220, 250, 266, 275, 308, 350, 361, 380, 385, 418, 475, 500, 532, 550, 665, 700, 722, 770, 836, 875, 950, 1045, 1100, 1330, 1375, 1444, 1463, 1540, 1750, 1805, 1900, 1925, 2090, 2375, 2527, 2660, 2750, 2926, 3325, 3500, 3610, 3850, 3971, 4180, 4750, 5054, 5225, 5500, 5852, 6650, 7220, 7315, 7700, 7942, 9025, 9500, 9625, 10108, 10450, 12635, 13300, 14630, 15884, 16625, 18050, 19250, 19855, 20900, 25270, 26125, 27797, 29260, 33250, 36100, 36575, 38500, 39710, 45125, 50540, 52250, 55594, 63175, 66500, 73150, 79420, 90250, 99275, 104500, 111188, 126350, 138985, 146300, 180500, 182875, 198550, 252700, 277970, 315875, 365750, 397100, 496375, 555940, 631750, 694925, 731500, 992750, 1263500, 1389850, 1985500, 2779700, 3474625, 6949250, 13898500]

約数ペア:

[(1, 13898500), (2, 6949250), (4, 3474625), (5, 2779700), (7, 1985500), (10, 1389850), (11, 1263500), (14, 992750), (19, 731500), (20, 694925), (22, 631750), (25, 555940), (28, 496375), (35, 397100), (38, 365750), (44, 315875), (50, 277970), (55, 252700), (70, 198550), (76, 182875), (77, 180500), (95, 146300), (100, 138985), (110, 126350), (125, 111188), (133, 104500), (140, 99275), (154, 90250), (175, 79420), (190, 73150), (209, 66500), (220, 63175), (250, 55594), (266, 52250), (275, 50540), (308, 45125), (350, 39710), (361, 38500), (380, 36575), (385, 36100), (418, 33250), (475, 29260), (500, 27797), (532, 26125), (550, 25270), (665, 20900), (700, 19855), (722, 19250), (770, 18050), (836, 16625), (875, 15884), (950, 14630), (1045, 13300), (1100, 12635), (1330, 10450), (1375, 10108), (1444, 9625), (1463, 9500), (1540, 9025), (1750, 7942), (1805, 7700), (1900, 7315), (1925, 7220), (2090, 6650), (2375, 5852), (2527, 5500), (2660, 5225), (2750, 5054), (2926, 4750), (3325, 4180), (3500, 3971), (3610, 3850)]