279813268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 601032320

約数和(自身を除く): 321219052

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 151, 229, 238, 289, 302, 458, 476, 578, 604, 916, 1057, 1156, 1603, 2023, 2114, 2567, 3206, 3893, 4046, 4228, 5134, 6412, 7786, 8092, 10268, 15572, 17969, 27251, 34579, 35938, 43639, 54502, 66181, 69158, 71876, 87278, 109004, 132362, 138316, 174556, 242053, 264724, 305473, 463267, 484106, 587843, 610946, 926534, 968212, 1175686, 1221892, 1853068, 2351372, 4114901, 8229802, 9993331, 16459604, 19986662, 39973324, 69953317, 139906634, 279813268]

約数ペア:

[(1, 279813268), (2, 139906634), (4, 69953317), (7, 39973324), (14, 19986662), (17, 16459604), (28, 9993331), (34, 8229802), (68, 4114901), (119, 2351372), (151, 1853068), (229, 1221892), (238, 1175686), (289, 968212), (302, 926534), (458, 610946), (476, 587843), (578, 484106), (604, 463267), (916, 305473), (1057, 264724), (1156, 242053), (1603, 174556), (2023, 138316), (2114, 132362), (2567, 109004), (3206, 87278), (3893, 71876), (4046, 69158), (4228, 66181), (5134, 54502), (6412, 43639), (7786, 35938), (8092, 34579), (10268, 27251), (15572, 17969)]