87475780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89261}}^1$

素因数の和:89284

約数の個数: 36

約数和(自身を含む): 213693228

約数和(自身を除く): 126217448

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 89261, 178522, 357044, 446305, 624827, 892610, 1249654, 1785220, 2499308, 3124135, 4373789, 6248270, 8747578, 12496540, 17495156, 21868945, 43737890, 87475780]

約数ペア:

[(1, 87475780), (2, 43737890), (4, 21868945), (5, 17495156), (7, 12496540), (10, 8747578), (14, 6248270), (20, 4373789), (28, 3124135), (35, 2499308), (49, 1785220), (70, 1249654), (98, 892610), (140, 624827), (196, 446305), (245, 357044), (490, 178522), (980, 89261)]