64441370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{379}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 135678240

約数和(自身を除く): 71236870

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 347, 379, 490, 694, 758, 1735, 1895, 2429, 2653, 3470, 3790, 4858, 5306, 12145, 13265, 17003, 18571, 24290, 26530, 34006, 37142, 85015, 92855, 131513, 170030, 185710, 263026, 657565, 920591, 1315130, 1841182, 4602955, 6444137, 9205910, 12888274, 32220685, 64441370]

約数ペア:

[(1, 64441370), (2, 32220685), (5, 12888274), (7, 9205910), (10, 6444137), (14, 4602955), (35, 1841182), (49, 1315130), (70, 920591), (98, 657565), (245, 263026), (347, 185710), (379, 170030), (490, 131513), (694, 92855), (758, 85015), (1735, 37142), (1895, 34006), (2429, 26530), (2653, 24290), (3470, 18571), (3790, 17003), (4858, 13265), (5306, 12145)]