291268140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{285557}}^1$

素因数の和:285586

約数の個数: 48

約数和(自身を含む): 863527392

約数和(自身を除く): 572259252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 285557, 571114, 856671, 1142228, 1427785, 1713342, 2855570, 3426684, 4283355, 4854469, 5711140, 8566710, 9708938, 14563407, 17133420, 19417876, 24272345, 29126814, 48544690, 58253628, 72817035, 97089380, 145634070, 291268140]

約数ペア:

[(1, 291268140), (2, 145634070), (3, 97089380), (4, 72817035), (5, 58253628), (6, 48544690), (10, 29126814), (12, 24272345), (15, 19417876), (17, 17133420), (20, 14563407), (30, 9708938), (34, 8566710), (51, 5711140), (60, 4854469), (68, 4283355), (85, 3426684), (102, 2855570), (170, 1713342), (204, 1427785), (255, 1142228), (340, 856671), (510, 571114), (1020, 285557)]