85847020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 211150800

約数和(自身を除く): 125303780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 251, 349, 490, 502, 698, 980, 1004, 1255, 1396, 1745, 1757, 2443, 2510, 3490, 3514, 4886, 5020, 6980, 7028, 8785, 9772, 12215, 12299, 17101, 17570, 24430, 24598, 34202, 35140, 48860, 49196, 61495, 68404, 85505, 87599, 122990, 171010, 175198, 245980, 342020, 350396, 437995, 613193, 875990, 1226386, 1751980, 2452772, 3065965, 4292351, 6131930, 8584702, 12263860, 17169404, 21461755, 42923510, 85847020]

約数ペア:

[(1, 85847020), (2, 42923510), (4, 21461755), (5, 17169404), (7, 12263860), (10, 8584702), (14, 6131930), (20, 4292351), (28, 3065965), (35, 2452772), (49, 1751980), (70, 1226386), (98, 875990), (140, 613193), (196, 437995), (245, 350396), (251, 342020), (349, 245980), (490, 175198), (502, 171010), (698, 122990), (980, 87599), (1004, 85505), (1255, 68404), (1396, 61495), (1745, 49196), (1757, 48860), (2443, 35140), (2510, 34202), (3490, 24598), (3514, 24430), (4886, 17570), (5020, 17101), (6980, 12299), (7028, 12215), (8785, 9772)]