218640386090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{20101}}^1\times {\mathrm{155387}}^1$

素因数の和:175502

約数の個数: 32

約数和(自身を含む): 449799778944

約数和(自身を除く): 231159392854

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 20101, 40202, 100505, 140707, 155387, 201010, 281414, 310774, 703535, 776935, 1087709, 1407070, 1553870, 2175418, 5438545, 10877090, 3123434087, 6246868174, 15617170435, 21864038609, 31234340870, 43728077218, 109320193045, 218640386090]

約数ペア:

[(1, 218640386090), (2, 109320193045), (5, 43728077218), (7, 31234340870), (10, 21864038609), (14, 15617170435), (35, 6246868174), (70, 3123434087), (20101, 10877090), (40202, 5438545), (100505, 2175418), (140707, 1553870), (155387, 1407070), (201010, 1087709), (281414, 776935), (310774, 703535)]