3197740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 8446032

約数和(自身を除く): 5248292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 251, 260, 364, 455, 490, 502, 637, 910, 980, 1004, 1255, 1274, 1757, 1820, 2510, 2548, 3185, 3263, 3514, 5020, 6370, 6526, 7028, 8785, 12299, 12740, 13052, 16315, 17570, 22841, 24598, 32630, 35140, 45682, 49196, 61495, 65260, 91364, 114205, 122990, 159887, 228410, 245980, 319774, 456820, 639548, 799435, 1598870, 3197740]

約数ペア:

[(1, 3197740), (2, 1598870), (4, 799435), (5, 639548), (7, 456820), (10, 319774), (13, 245980), (14, 228410), (20, 159887), (26, 122990), (28, 114205), (35, 91364), (49, 65260), (52, 61495), (65, 49196), (70, 45682), (91, 35140), (98, 32630), (130, 24598), (140, 22841), (182, 17570), (196, 16315), (245, 13052), (251, 12740), (260, 12299), (364, 8785), (455, 7028), (490, 6526), (502, 6370), (637, 5020), (910, 3514), (980, 3263), (1004, 3185), (1255, 2548), (1274, 2510), (1757, 1820)]