179907700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^2\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 108

約数和(自身を含む): 460074720

約数和(自身を除く): 280167020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 139, 140, 172, 175, 215, 278, 301, 350, 430, 556, 602, 695, 700, 860, 973, 1075, 1204, 1390, 1505, 1849, 1946, 2150, 2780, 3010, 3475, 3698, 3892, 4300, 4865, 5977, 6020, 6950, 7396, 7525, 9245, 9730, 11954, 12943, 13900, 15050, 18490, 19460, 23908, 24325, 25886, 29885, 30100, 36980, 41839, 46225, 48650, 51772, 59770, 64715, 83678, 92450, 97300, 119540, 129430, 149425, 167356, 184900, 209195, 257011, 258860, 298850, 323575, 418390, 514022, 597700, 647150, 836780, 1028044, 1045975, 1285055, 1294300, 1799077, 2091950, 2570110, 3598154, 4183900, 5140220, 6425275, 7196308, 8995385, 12850550, 17990770, 25701100, 35981540, 44976925, 89953850, 179907700]

約数ペア:

[(1, 179907700), (2, 89953850), (4, 44976925), (5, 35981540), (7, 25701100), (10, 17990770), (14, 12850550), (20, 8995385), (25, 7196308), (28, 6425275), (35, 5140220), (43, 4183900), (50, 3598154), (70, 2570110), (86, 2091950), (100, 1799077), (139, 1294300), (140, 1285055), (172, 1045975), (175, 1028044), (215, 836780), (278, 647150), (301, 597700), (350, 514022), (430, 418390), (556, 323575), (602, 298850), (695, 258860), (700, 257011), (860, 209195), (973, 184900), (1075, 167356), (1204, 149425), (1390, 129430), (1505, 119540), (1849, 97300), (1946, 92450), (2150, 83678), (2780, 64715), (3010, 59770), (3475, 51772), (3698, 48650), (3892, 46225), (4300, 41839), (4865, 36980), (5977, 30100), (6020, 29885), (6950, 25886), (7396, 24325), (7525, 23908), (9245, 19460), (9730, 18490), (11954, 15050), (12943, 13900)]