85972460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2431

約数の個数: 72

約数和(自身を含む): 215785584

約数和(自身を除く): 129813124

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, 1813, 2371, 2590, 3626, 4742, 5180, 7252, 9065, 9484, 11855, 16597, 18130, 23710, 33194, 36260, 47420, 66388, 82985, 87727, 116179, 165970, 175454, 232358, 331940, 350908, 438635, 464716, 580895, 614089, 877270, 1161790, 1228178, 1754540, 2323580, 2456356, 3070445, 4298623, 6140890, 8597246, 12281780, 17194492, 21493115, 42986230, 85972460]

約数ペア:

[(1, 85972460), (2, 42986230), (4, 21493115), (5, 17194492), (7, 12281780), (10, 8597246), (14, 6140890), (20, 4298623), (28, 3070445), (35, 2456356), (37, 2323580), (49, 1754540), (70, 1228178), (74, 1161790), (98, 877270), (140, 614089), (148, 580895), (185, 464716), (196, 438635), (245, 350908), (259, 331940), (370, 232358), (490, 175454), (518, 165970), (740, 116179), (980, 87727), (1036, 82985), (1295, 66388), (1813, 47420), (2371, 36260), (2590, 33194), (3626, 23710), (4742, 18130), (5180, 16597), (7252, 11855), (9065, 9484)]