521107780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1\times {\mathrm{1249}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 1144080000

約数和(自身を除く): 622972220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 907, 1249, 1814, 2498, 3628, 4535, 4996, 6245, 9070, 12490, 18140, 20861, 24980, 28727, 41722, 57454, 83444, 104305, 114908, 143635, 208610, 287270, 417220, 574540, 1132843, 2265686, 4531372, 5664215, 11328430, 22656860, 26055389, 52110778, 104221556, 130276945, 260553890, 521107780]

約数ペア:

[(1, 521107780), (2, 260553890), (4, 130276945), (5, 104221556), (10, 52110778), (20, 26055389), (23, 22656860), (46, 11328430), (92, 5664215), (115, 4531372), (230, 2265686), (460, 1132843), (907, 574540), (1249, 417220), (1814, 287270), (2498, 208610), (3628, 143635), (4535, 114908), (4996, 104305), (6245, 83444), (9070, 57454), (12490, 41722), (18140, 28727), (20861, 24980)]