99955100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{20399}}^1$

素因数の和:20427

約数の個数: 54

約数和(自身を含む): 252327600

約数和(自身を除く): 152372500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 20399, 40798, 81596, 101995, 142793, 203990, 285586, 407980, 509975, 571172, 713965, 999551, 1019950, 1427930, 1999102, 2039900, 2855860, 3569825, 3998204, 4997755, 7139650, 9995510, 14279300, 19991020, 24988775, 49977550, 99955100]

約数ペア:

[(1, 99955100), (2, 49977550), (4, 24988775), (5, 19991020), (7, 14279300), (10, 9995510), (14, 7139650), (20, 4997755), (25, 3998204), (28, 3569825), (35, 2855860), (49, 2039900), (50, 1999102), (70, 1427930), (98, 1019950), (100, 999551), (140, 713965), (175, 571172), (196, 509975), (245, 407980), (350, 285586), (490, 203990), (700, 142793), (980, 101995), (1225, 81596), (2450, 40798), (4900, 20399)]