40940900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 119575680

約数和(自身を除く): 78634780

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 25, 26, 28, 35, 44, 50, 52, 55, 65, 70, 77, 91, 100, 110, 130, 140, 143, 154, 175, 182, 220, 260, 275, 286, 308, 325, 350, 364, 385, 409, 455, 550, 572, 650, 700, 715, 770, 818, 910, 1001, 1100, 1300, 1430, 1540, 1636, 1820, 1925, 2002, 2045, 2275, 2860, 2863, 3575, 3850, 4004, 4090, 4499, 4550, 5005, 5317, 5726, 7150, 7700, 8180, 8998, 9100, 10010, 10225, 10634, 11452, 14300, 14315, 17996, 20020, 20450, 21268, 22495, 25025, 26585, 28630, 31493, 37219, 40900, 44990, 50050, 53170, 57260, 58487, 62986, 71575, 74438, 89980, 100100, 106340, 112475, 116974, 125972, 132925, 143150, 148876, 157465, 186095, 224950, 233948, 265850, 286300, 292435, 314930, 372190, 409409, 449900, 531700, 584870, 629860, 744380, 787325, 818818, 930475, 1169740, 1462175, 1574650, 1637636, 1860950, 2047045, 2924350, 3149300, 3721900, 4094090, 5848700, 8188180, 10235225, 20470450, 40940900]

約数ペア:

[(1, 40940900), (2, 20470450), (4, 10235225), (5, 8188180), (7, 5848700), (10, 4094090), (11, 3721900), (13, 3149300), (14, 2924350), (20, 2047045), (22, 1860950), (25, 1637636), (26, 1574650), (28, 1462175), (35, 1169740), (44, 930475), (50, 818818), (52, 787325), (55, 744380), (65, 629860), (70, 584870), (77, 531700), (91, 449900), (100, 409409), (110, 372190), (130, 314930), (140, 292435), (143, 286300), (154, 265850), (175, 233948), (182, 224950), (220, 186095), (260, 157465), (275, 148876), (286, 143150), (308, 132925), (325, 125972), (350, 116974), (364, 112475), (385, 106340), (409, 100100), (455, 89980), (550, 74438), (572, 71575), (650, 62986), (700, 58487), (715, 57260), (770, 53170), (818, 50050), (910, 44990), (1001, 40900), (1100, 37219), (1300, 31493), (1430, 28630), (1540, 26585), (1636, 25025), (1820, 22495), (1925, 21268), (2002, 20450), (2045, 20020), (2275, 17996), (2860, 14315), (2863, 14300), (3575, 11452), (3850, 10634), (4004, 10225), (4090, 10010), (4499, 9100), (4550, 8998), (5005, 8180), (5317, 7700), (5726, 7150)]