197531820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47713}}^1$

素因数の和:47751

約数の個数: 72

約数和(自身を含む): 625244256

約数和(自身を除く): 427712436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 47713, 95426, 143139, 190852, 238565, 286278, 429417, 477130, 572556, 715695, 858834, 954260, 1097399, 1431390, 1717668, 2147085, 2194798, 2862780, 3292197, 4294170, 4389596, 5486995, 6584394, 8588340, 9876591, 10973990, 13168788, 16460985, 19753182, 21947980, 32921970, 39506364, 49382955, 65843940, 98765910, 197531820]

約数ペア:

[(1, 197531820), (2, 98765910), (3, 65843940), (4, 49382955), (5, 39506364), (6, 32921970), (9, 21947980), (10, 19753182), (12, 16460985), (15, 13168788), (18, 10973990), (20, 9876591), (23, 8588340), (30, 6584394), (36, 5486995), (45, 4389596), (46, 4294170), (60, 3292197), (69, 2862780), (90, 2194798), (92, 2147085), (115, 1717668), (138, 1431390), (180, 1097399), (207, 954260), (230, 858834), (276, 715695), (345, 572556), (414, 477130), (460, 429417), (690, 286278), (828, 238565), (1035, 190852), (1380, 143139), (2070, 95426), (4140, 47713)]