2987240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 7464960

約数和(自身を除く): 4477720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 34, 40, 46, 68, 85, 92, 115, 136, 170, 184, 191, 230, 340, 382, 391, 460, 680, 764, 782, 920, 955, 1528, 1564, 1910, 1955, 3128, 3247, 3820, 3910, 4393, 6494, 7640, 7820, 8786, 12988, 15640, 16235, 17572, 21965, 25976, 32470, 35144, 43930, 64940, 74681, 87860, 129880, 149362, 175720, 298724, 373405, 597448, 746810, 1493620, 2987240]

約数ペア:

[(1, 2987240), (2, 1493620), (4, 746810), (5, 597448), (8, 373405), (10, 298724), (17, 175720), (20, 149362), (23, 129880), (34, 87860), (40, 74681), (46, 64940), (68, 43930), (85, 35144), (92, 32470), (115, 25976), (136, 21965), (170, 17572), (184, 16235), (191, 15640), (230, 12988), (340, 8786), (382, 7820), (391, 7640), (460, 6494), (680, 4393), (764, 3910), (782, 3820), (920, 3247), (955, 3128), (1528, 1955), (1564, 1910)]