420031720

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 958366080

約数和(自身を除く): 538334360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 227, 277, 334, 454, 554, 668, 835, 908, 1108, 1135, 1336, 1385, 1670, 1816, 2216, 2270, 2770, 3340, 4540, 5540, 6680, 9080, 11080, 37909, 46259, 62879, 75818, 92518, 125758, 151636, 185036, 189545, 231295, 251516, 303272, 314395, 370072, 379090, 462590, 503032, 628790, 758180, 925180, 1257580, 1516360, 1850360, 2515160, 10500793, 21001586, 42003172, 52503965, 84006344, 105007930, 210015860, 420031720]

約数ペア:

[(1, 420031720), (2, 210015860), (4, 105007930), (5, 84006344), (8, 52503965), (10, 42003172), (20, 21001586), (40, 10500793), (167, 2515160), (227, 1850360), (277, 1516360), (334, 1257580), (454, 925180), (554, 758180), (668, 628790), (835, 503032), (908, 462590), (1108, 379090), (1135, 370072), (1336, 314395), (1385, 303272), (1670, 251516), (1816, 231295), (2216, 189545), (2270, 185036), (2770, 151636), (3340, 125758), (4540, 92518), (5540, 75818), (6680, 62879), (9080, 46259), (11080, 37909)]