89861240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{659}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 231897600

約数和(自身を除く): 142036360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 487, 659, 974, 1318, 1948, 2435, 2636, 3295, 3409, 3896, 4613, 4870, 5272, 6590, 6818, 9226, 9740, 13180, 13636, 17045, 18452, 19480, 23065, 26360, 27272, 34090, 36904, 46130, 68180, 92260, 136360, 184520, 320933, 641866, 1283732, 1604665, 2246531, 2567464, 3209330, 4493062, 6418660, 8986124, 11232655, 12837320, 17972248, 22465310, 44930620, 89861240]

約数ペア:

[(1, 89861240), (2, 44930620), (4, 22465310), (5, 17972248), (7, 12837320), (8, 11232655), (10, 8986124), (14, 6418660), (20, 4493062), (28, 3209330), (35, 2567464), (40, 2246531), (56, 1604665), (70, 1283732), (140, 641866), (280, 320933), (487, 184520), (659, 136360), (974, 92260), (1318, 68180), (1948, 46130), (2435, 36904), (2636, 34090), (3295, 27272), (3409, 26360), (3896, 23065), (4613, 19480), (4870, 18452), (5272, 17045), (6590, 13636), (6818, 13180), (9226, 9740)]