216366820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8963}}^1$

素因数の和:9060

約数の個数: 48

約数和(自身を含む): 487928448

約数和(自身を除く): 271561628

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 8963, 12070, 17926, 24140, 35852, 44815, 89630, 152371, 179260, 304742, 609484, 636373, 761855, 1272746, 1523710, 2545492, 3047420, 3181865, 6363730, 10818341, 12727460, 21636682, 43273364, 54091705, 108183410, 216366820]

約数ペア:

[(1, 216366820), (2, 108183410), (4, 54091705), (5, 43273364), (10, 21636682), (17, 12727460), (20, 10818341), (34, 6363730), (68, 3181865), (71, 3047420), (85, 2545492), (142, 1523710), (170, 1272746), (284, 761855), (340, 636373), (355, 609484), (710, 304742), (1207, 179260), (1420, 152371), (2414, 89630), (4828, 44815), (6035, 35852), (8963, 24140), (12070, 17926)]