51090340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1409}}^1$

素因数の和:1469

約数の個数: 72

約数和(自身を含む): 128270520

約数和(自身を除く): 77180180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1409, 1813, 2590, 2818, 3626, 5180, 5636, 7045, 7252, 9065, 9863, 14090, 18130, 19726, 28180, 36260, 39452, 49315, 52133, 69041, 98630, 104266, 138082, 197260, 208532, 260665, 276164, 345205, 364931, 521330, 690410, 729862, 1042660, 1380820, 1459724, 1824655, 2554517, 3649310, 5109034, 7298620, 10218068, 12772585, 25545170, 51090340]

約数ペア:

[(1, 51090340), (2, 25545170), (4, 12772585), (5, 10218068), (7, 7298620), (10, 5109034), (14, 3649310), (20, 2554517), (28, 1824655), (35, 1459724), (37, 1380820), (49, 1042660), (70, 729862), (74, 690410), (98, 521330), (140, 364931), (148, 345205), (185, 276164), (196, 260665), (245, 208532), (259, 197260), (370, 138082), (490, 104266), (518, 98630), (740, 69041), (980, 52133), (1036, 49315), (1295, 39452), (1409, 36260), (1813, 28180), (2590, 19726), (2818, 18130), (3626, 14090), (5180, 9863), (5636, 9065), (7045, 7252)]