208516900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 482547240

約数和(自身を除く): 274030340

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 173, 340, 346, 425, 692, 709, 850, 865, 1418, 1700, 1730, 2836, 2941, 3460, 3545, 4325, 5882, 7090, 8650, 11764, 12053, 14180, 14705, 17300, 17725, 24106, 29410, 35450, 48212, 58820, 60265, 70900, 73525, 120530, 122657, 147050, 241060, 245314, 294100, 301325, 490628, 602650, 613285, 1205300, 1226570, 2085169, 2453140, 3066425, 4170338, 6132850, 8340676, 10425845, 12265700, 20851690, 41703380, 52129225, 104258450, 208516900]

約数ペア:

[(1, 208516900), (2, 104258450), (4, 52129225), (5, 41703380), (10, 20851690), (17, 12265700), (20, 10425845), (25, 8340676), (34, 6132850), (50, 4170338), (68, 3066425), (85, 2453140), (100, 2085169), (170, 1226570), (173, 1205300), (340, 613285), (346, 602650), (425, 490628), (692, 301325), (709, 294100), (850, 245314), (865, 241060), (1418, 147050), (1700, 122657), (1730, 120530), (2836, 73525), (2941, 70900), (3460, 60265), (3545, 58820), (4325, 48212), (5882, 35450), (7090, 29410), (8650, 24106), (11764, 17725), (12053, 17300), (14180, 14705)]