31152940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17117}}^1$

素因数の和:17146

約数の個数: 48

約数和(自身を含む): 80523072

約数和(自身を除く): 49370132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 17117, 34234, 68468, 85585, 119819, 171170, 222521, 239638, 342340, 445042, 479276, 599095, 890084, 1112605, 1198190, 1557647, 2225210, 2396380, 3115294, 4450420, 6230588, 7788235, 15576470, 31152940]

約数ペア:

[(1, 31152940), (2, 15576470), (4, 7788235), (5, 6230588), (7, 4450420), (10, 3115294), (13, 2396380), (14, 2225210), (20, 1557647), (26, 1198190), (28, 1112605), (35, 890084), (52, 599095), (65, 479276), (70, 445042), (91, 342340), (130, 239638), (140, 222521), (182, 171170), (260, 119819), (364, 85585), (455, 68468), (910, 34234), (1820, 17117)]