401960416

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 971202960

約数和(自身を除く): 569242544

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 29, 32, 44, 52, 58, 88, 104, 116, 143, 169, 176, 208, 232, 233, 286, 319, 338, 352, 377, 416, 464, 466, 572, 638, 676, 754, 928, 932, 1144, 1276, 1352, 1508, 1859, 1864, 2288, 2552, 2563, 2704, 3016, 3029, 3718, 3728, 4147, 4576, 4901, 5104, 5126, 5408, 6032, 6058, 6757, 7436, 7456, 8294, 9802, 10208, 10252, 12064, 12116, 13514, 14872, 16588, 19604, 20504, 24232, 27028, 29744, 33176, 33319, 39208, 39377, 41008, 48464, 53911, 54056, 59488, 66352, 66638, 74327, 78416, 78754, 82016, 87841, 96928, 107822, 108112, 132704, 133276, 148654, 156832, 157508, 175682, 215644, 216224, 266552, 297308, 315016, 351364, 431288, 433147, 533104, 594616, 630032, 702728, 862576, 866294, 966251, 1066208, 1141933, 1189232, 1260064, 1405456, 1725152, 1732588, 1932502, 2283866, 2378464, 2810912, 3465176, 3865004, 4567732, 6930352, 7730008, 9135464, 12561263, 13860704, 15460016, 18270928, 25122526, 30920032, 36541856, 50245052, 100490104, 200980208, 401960416]

約数ペア:

[(1, 401960416), (2, 200980208), (4, 100490104), (8, 50245052), (11, 36541856), (13, 30920032), (16, 25122526), (22, 18270928), (26, 15460016), (29, 13860704), (32, 12561263), (44, 9135464), (52, 7730008), (58, 6930352), (88, 4567732), (104, 3865004), (116, 3465176), (143, 2810912), (169, 2378464), (176, 2283866), (208, 1932502), (232, 1732588), (233, 1725152), (286, 1405456), (319, 1260064), (338, 1189232), (352, 1141933), (377, 1066208), (416, 966251), (464, 866294), (466, 862576), (572, 702728), (638, 630032), (676, 594616), (754, 533104), (928, 433147), (932, 431288), (1144, 351364), (1276, 315016), (1352, 297308), (1508, 266552), (1859, 216224), (1864, 215644), (2288, 175682), (2552, 157508), (2563, 156832), (2704, 148654), (3016, 133276), (3029, 132704), (3718, 108112), (3728, 107822), (4147, 96928), (4576, 87841), (4901, 82016), (5104, 78754), (5126, 78416), (5408, 74327), (6032, 66638), (6058, 66352), (6757, 59488), (7436, 54056), (7456, 53911), (8294, 48464), (9802, 41008), (10208, 39377), (10252, 39208), (12064, 33319), (12116, 33176), (13514, 29744), (14872, 27028), (16588, 24232), (19604, 20504)]