200406965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 303264000

約数和(自身を除く): 102857035

約数列:

[1, 5, 11, 17, 19, 29, 55, 85, 95, 145, 187, 209, 319, 323, 389, 493, 551, 935, 1045, 1595, 1615, 1945, 2465, 2755, 3553, 4279, 5423, 6061, 6613, 7391, 9367, 11281, 17765, 21395, 27115, 30305, 33065, 36955, 46835, 56405, 72743, 81301, 103037, 124091, 125647, 191777, 214339, 363715, 406505, 515185, 620455, 628235, 958885, 1071695, 1382117, 2109547, 2357729, 3643763, 6910585, 10547735, 11788645, 18218815, 40081393, 200406965]

約数ペア:

[(1, 200406965), (5, 40081393), (11, 18218815), (17, 11788645), (19, 10547735), (29, 6910585), (55, 3643763), (85, 2357729), (95, 2109547), (145, 1382117), (187, 1071695), (209, 958885), (319, 628235), (323, 620455), (389, 515185), (493, 406505), (551, 363715), (935, 214339), (1045, 191777), (1595, 125647), (1615, 124091), (1945, 103037), (2465, 81301), (2755, 72743), (3553, 56405), (4279, 46835), (5423, 36955), (6061, 33065), (6613, 30305), (7391, 27115), (9367, 21395), (11281, 17765)]