72149420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2311}}^1$

素因数の和:2550

約数の個数: 48

約数和(自身を含む): 174010368

約数和(自身を除く): 101860948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 2311, 3122, 4460, 4622, 6244, 7805, 9244, 11555, 15610, 16177, 23110, 31220, 32354, 46220, 64708, 80885, 161770, 323540, 515353, 1030706, 2061412, 2576765, 3607471, 5153530, 7214942, 10307060, 14429884, 18037355, 36074710, 72149420]

約数ペア:

[(1, 72149420), (2, 36074710), (4, 18037355), (5, 14429884), (7, 10307060), (10, 7214942), (14, 5153530), (20, 3607471), (28, 2576765), (35, 2061412), (70, 1030706), (140, 515353), (223, 323540), (446, 161770), (892, 80885), (1115, 64708), (1561, 46220), (2230, 32354), (2311, 31220), (3122, 23110), (4460, 16177), (4622, 15610), (6244, 11555), (7805, 9244)]