216808140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{212557}}^1$

素因数の和:212586

約数の個数: 48

約数和(自身を含む): 642775392

約数和(自身を除く): 425967252

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, 212557, 425114, 637671, 850228, 1062785, 1275342, 2125570, 2550684, 3188355, 3613469, 4251140, 6376710, 7226938, 10840407, 12753420, 14453876, 18067345, 21680814, 36134690, 43361628, 54202035, 72269380, 108404070, 216808140]

約数ペア:

[(1, 216808140), (2, 108404070), (3, 72269380), (4, 54202035), (5, 43361628), (6, 36134690), (10, 21680814), (12, 18067345), (15, 14453876), (17, 12753420), (20, 10840407), (30, 7226938), (34, 6376710), (51, 4251140), (60, 3613469), (68, 3188355), (85, 2550684), (102, 2125570), (170, 1275342), (204, 1062785), (255, 850228), (340, 637671), (510, 425114), (1020, 212557)]