89035940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12979}}^1$

素因数の和:13009

約数の個数: 48

約数和(自身を含む): 218064000

約数和(自身を除く): 129028060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 12979, 25958, 51916, 64895, 90853, 129790, 181706, 259580, 363412, 454265, 635971, 908530, 1271942, 1817060, 2543884, 3179855, 4451797, 6359710, 8903594, 12719420, 17807188, 22258985, 44517970, 89035940]

約数ペア:

[(1, 89035940), (2, 44517970), (4, 22258985), (5, 17807188), (7, 12719420), (10, 8903594), (14, 6359710), (20, 4451797), (28, 3179855), (35, 2543884), (49, 1817060), (70, 1271942), (98, 908530), (140, 635971), (196, 454265), (245, 363412), (343, 259580), (490, 181706), (686, 129790), (980, 90853), (1372, 64895), (1715, 51916), (3430, 25958), (6860, 12979)]