126520220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 270950400

約数和(自身を除く): 144430180

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 199, 332, 383, 398, 415, 766, 796, 830, 995, 1532, 1660, 1915, 1990, 3830, 3980, 7660, 16517, 31789, 33034, 63578, 66068, 76217, 82585, 127156, 152434, 158945, 165170, 304868, 317890, 330340, 381085, 635780, 762170, 1524340, 6326011, 12652022, 25304044, 31630055, 63260110, 126520220]

約数ペア:

[(1, 126520220), (2, 63260110), (4, 31630055), (5, 25304044), (10, 12652022), (20, 6326011), (83, 1524340), (166, 762170), (199, 635780), (332, 381085), (383, 330340), (398, 317890), (415, 304868), (766, 165170), (796, 158945), (830, 152434), (995, 127156), (1532, 82585), (1660, 76217), (1915, 66068), (1990, 63578), (3830, 33034), (3980, 31789), (7660, 16517)]