87728011420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{5265787}}^1$

素因数の和:5265827

約数の個数: 72

約数和(自身を含む): 226913336496

約数和(自身を除く): 139185325076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 196, 238, 245, 340, 476, 490, 595, 833, 980, 1190, 1666, 2380, 3332, 4165, 8330, 16660, 5265787, 10531574, 21063148, 26328935, 36860509, 52657870, 73721018, 89518379, 105315740, 147442036, 179036758, 184302545, 258023563, 358073516, 368605090, 447591895, 516047126, 626628653, 737210180, 895183790, 1032094252, 1253257306, 1290117815, 1790367580, 2506514612, 2580235630, 3133143265, 4386400571, 5160471260, 6266286530, 8772801142, 12532573060, 17545602284, 21932002855, 43864005710, 87728011420]

約数ペア:

[(1, 87728011420), (2, 43864005710), (4, 21932002855), (5, 17545602284), (7, 12532573060), (10, 8772801142), (14, 6266286530), (17, 5160471260), (20, 4386400571), (28, 3133143265), (34, 2580235630), (35, 2506514612), (49, 1790367580), (68, 1290117815), (70, 1253257306), (85, 1032094252), (98, 895183790), (119, 737210180), (140, 626628653), (170, 516047126), (196, 447591895), (238, 368605090), (245, 358073516), (340, 258023563), (476, 184302545), (490, 179036758), (595, 147442036), (833, 105315740), (980, 89518379), (1190, 73721018), (1666, 52657870), (2380, 36860509), (3332, 26328935), (4165, 21063148), (8330, 10531574), (16660, 5265787)]