86770180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2393}}^1$

素因数の和:2453

約数の個数: 72

約数和(自身を含む): 217786968

約数和(自身を除く): 131016788

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, 2393, 2590, 3626, 4786, 5180, 7252, 9065, 9572, 11965, 16751, 18130, 23930, 33502, 36260, 47860, 67004, 83755, 88541, 117257, 167510, 177082, 234514, 335020, 354164, 442705, 469028, 586285, 619787, 885410, 1172570, 1239574, 1770820, 2345140, 2479148, 3098935, 4338509, 6197870, 8677018, 12395740, 17354036, 21692545, 43385090, 86770180]

約数ペア:

[(1, 86770180), (2, 43385090), (4, 21692545), (5, 17354036), (7, 12395740), (10, 8677018), (14, 6197870), (20, 4338509), (28, 3098935), (35, 2479148), (37, 2345140), (49, 1770820), (70, 1239574), (74, 1172570), (98, 885410), (140, 619787), (148, 586285), (185, 469028), (196, 442705), (245, 354164), (259, 335020), (370, 234514), (490, 177082), (518, 167510), (740, 117257), (980, 88541), (1036, 83755), (1295, 67004), (1813, 47860), (2393, 36260), (2590, 33502), (3626, 23930), (4786, 18130), (5180, 16751), (7252, 11965), (9065, 9572)]