1493620

素因数分解:

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

素因数の和:240

約数の個数: 48

約数和(自身を含む): 3483648

約数和(自身を除く): 1990028

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 191, 230, 340, 382, 391, 460, 764, 782, 955, 1564, 1910, 1955, 3247, 3820, 3910, 4393, 6494, 7820, 8786, 12988, 16235, 17572, 21965, 32470, 43930, 64940, 74681, 87860, 149362, 298724, 373405, 746810, 1493620]

約数ペア:

[(1, 1493620), (2, 746810), (4, 373405), (5, 298724), (10, 149362), (17, 87860), (20, 74681), (23, 64940), (34, 43930), (46, 32470), (68, 21965), (85, 17572), (92, 16235), (115, 12988), (170, 8786), (191, 7820), (230, 6494), (340, 4393), (382, 3910), (391, 3820), (460, 3247), (764, 1955), (782, 1910), (955, 1564)]