440730640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{6197}}^1$

素因数の和:6344

約数の個数: 80

約数和(自身を含む): 1180495872

約数和(自身を除く): 739765232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 4445, 5080, 6197, 7112, 8890, 10160, 12394, 14224, 17780, 24788, 30985, 35560, 43379, 49576, 61970, 71120, 86758, 99152, 123940, 173516, 216895, 247880, 347032, 433790, 495760, 694064, 787019, 867580, 1574038, 1735160, 3148076, 3470320, 3935095, 5509133, 6296152, 7870190, 11018266, 12592304, 15740380, 22036532, 27545665, 31480760, 44073064, 55091330, 62961520, 88146128, 110182660, 220365320, 440730640]

約数ペア:

[(1, 440730640), (2, 220365320), (4, 110182660), (5, 88146128), (7, 62961520), (8, 55091330), (10, 44073064), (14, 31480760), (16, 27545665), (20, 22036532), (28, 15740380), (35, 12592304), (40, 11018266), (56, 7870190), (70, 6296152), (80, 5509133), (112, 3935095), (127, 3470320), (140, 3148076), (254, 1735160), (280, 1574038), (508, 867580), (560, 787019), (635, 694064), (889, 495760), (1016, 433790), (1270, 347032), (1778, 247880), (2032, 216895), (2540, 173516), (3556, 123940), (4445, 99152), (5080, 86758), (6197, 71120), (7112, 61970), (8890, 49576), (10160, 43379), (12394, 35560), (14224, 30985), (17780, 24788)]