8453420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 72

約数和(自身を含む): 20067264

約数和(自身を除く): 11613844

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 47, 68, 85, 92, 94, 115, 170, 188, 230, 235, 340, 391, 460, 470, 529, 782, 799, 940, 1058, 1081, 1564, 1598, 1955, 2116, 2162, 2645, 3196, 3910, 3995, 4324, 5290, 5405, 7820, 7990, 8993, 10580, 10810, 15980, 17986, 18377, 21620, 24863, 35972, 36754, 44965, 49726, 73508, 89930, 91885, 99452, 124315, 179860, 183770, 248630, 367540, 422671, 497260, 845342, 1690684, 2113355, 4226710, 8453420]

約数ペア:

[(1, 8453420), (2, 4226710), (4, 2113355), (5, 1690684), (10, 845342), (17, 497260), (20, 422671), (23, 367540), (34, 248630), (46, 183770), (47, 179860), (68, 124315), (85, 99452), (92, 91885), (94, 89930), (115, 73508), (170, 49726), (188, 44965), (230, 36754), (235, 35972), (340, 24863), (391, 21620), (460, 18377), (470, 17986), (529, 15980), (782, 10810), (799, 10580), (940, 8993), (1058, 7990), (1081, 7820), (1564, 5405), (1598, 5290), (1955, 4324), (2116, 3995), (2162, 3910), (2645, 3196)]