897667540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2789}}^1$

素因数の和:2846

約数の個数: 144

約数和(自身を含む): 2493590400

約数和(自身を除く): 1595922860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 121, 133, 140, 154, 190, 209, 220, 242, 266, 308, 380, 385, 418, 484, 532, 605, 665, 770, 836, 847, 1045, 1210, 1330, 1463, 1540, 1694, 2090, 2299, 2420, 2660, 2789, 2926, 3388, 4180, 4235, 4598, 5578, 5852, 7315, 8470, 9196, 11156, 11495, 13945, 14630, 16093, 16940, 19523, 22990, 27890, 29260, 30679, 32186, 39046, 45980, 52991, 55780, 61358, 64372, 78092, 80465, 97615, 105982, 122716, 153395, 160930, 195230, 211964, 214753, 264955, 306790, 321860, 337469, 370937, 390460, 429506, 529910, 582901, 613580, 674938, 741874, 859012, 1059820, 1073765, 1165802, 1349876, 1483748, 1687345, 1854685, 2147530, 2331604, 2362283, 2914505, 3374690, 3709370, 4080307, 4295060, 4724566, 5829010, 6411911, 6749380, 7418740, 8160614, 9449132, 11658020, 11811415, 12823822, 16321228, 20401535, 23622830, 25647644, 32059555, 40803070, 44883377, 47245660, 64119110, 81606140, 89766754, 128238220, 179533508, 224416885, 448833770, 897667540]

約数ペア:

[(1, 897667540), (2, 448833770), (4, 224416885), (5, 179533508), (7, 128238220), (10, 89766754), (11, 81606140), (14, 64119110), (19, 47245660), (20, 44883377), (22, 40803070), (28, 32059555), (35, 25647644), (38, 23622830), (44, 20401535), (55, 16321228), (70, 12823822), (76, 11811415), (77, 11658020), (95, 9449132), (110, 8160614), (121, 7418740), (133, 6749380), (140, 6411911), (154, 5829010), (190, 4724566), (209, 4295060), (220, 4080307), (242, 3709370), (266, 3374690), (308, 2914505), (380, 2362283), (385, 2331604), (418, 2147530), (484, 1854685), (532, 1687345), (605, 1483748), (665, 1349876), (770, 1165802), (836, 1073765), (847, 1059820), (1045, 859012), (1210, 741874), (1330, 674938), (1463, 613580), (1540, 582901), (1694, 529910), (2090, 429506), (2299, 390460), (2420, 370937), (2660, 337469), (2789, 321860), (2926, 306790), (3388, 264955), (4180, 214753), (4235, 211964), (4598, 195230), (5578, 160930), (5852, 153395), (7315, 122716), (8470, 105982), (9196, 97615), (11156, 80465), (11495, 78092), (13945, 64372), (14630, 61358), (16093, 55780), (16940, 52991), (19523, 45980), (22990, 39046), (27890, 32186), (29260, 30679)]