187831340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21491}}^1$

素因数の和:21542

約数の個数: 48

約数和(自身を含む): 433278720

約数和(自身を除く): 245447380

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 21491, 42982, 85964, 107455, 214910, 408329, 429820, 494293, 816658, 988586, 1633316, 1977172, 2041645, 2471465, 4083290, 4942930, 8166580, 9391567, 9885860, 18783134, 37566268, 46957835, 93915670, 187831340]

約数ペア:

[(1, 187831340), (2, 93915670), (4, 46957835), (5, 37566268), (10, 18783134), (19, 9885860), (20, 9391567), (23, 8166580), (38, 4942930), (46, 4083290), (76, 2471465), (92, 2041645), (95, 1977172), (115, 1633316), (190, 988586), (230, 816658), (380, 494293), (437, 429820), (460, 408329), (874, 214910), (1748, 107455), (2185, 85964), (4370, 42982), (8740, 21491)]