396688130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{19379}}^1$

素因数の和:19498

約数の個数: 32

約数和(自身を含む): 753494400

約数和(自身を除く): 356806270

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 19379, 20470, 38758, 96895, 193790, 445717, 891434, 1724731, 2228585, 3449462, 4457170, 8623655, 17247310, 39668813, 79337626, 198344065, 396688130]

約数ペア:

[(1, 396688130), (2, 198344065), (5, 79337626), (10, 39668813), (23, 17247310), (46, 8623655), (89, 4457170), (115, 3449462), (178, 2228585), (230, 1724731), (445, 891434), (890, 445717), (2047, 193790), (4094, 96895), (10235, 38758), (19379, 20470)]