87301580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7411}}^1$

素因数の和:7470

約数の個数: 48

約数和(自身を含む): 199234560

約数和(自身を除く): 111932980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 7411, 11780, 14822, 29644, 37055, 74110, 140809, 148220, 229741, 281618, 459482, 563236, 704045, 918964, 1148705, 1408090, 2297410, 2816180, 4365079, 4594820, 8730158, 17460316, 21825395, 43650790, 87301580]

約数ペア:

[(1, 87301580), (2, 43650790), (4, 21825395), (5, 17460316), (10, 8730158), (19, 4594820), (20, 4365079), (31, 2816180), (38, 2297410), (62, 1408090), (76, 1148705), (95, 918964), (124, 704045), (155, 563236), (190, 459482), (310, 281618), (380, 229741), (589, 148220), (620, 140809), (1178, 74110), (2356, 37055), (2945, 29644), (5890, 14822), (7411, 11780)]