248530725

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 472235400

約数和(自身を除く): 223704675

約数列:

[1, 3, 5, 9, 15, 25, 29, 41, 45, 75, 87, 123, 145, 205, 225, 261, 369, 435, 615, 725, 929, 1025, 1189, 1305, 1845, 2175, 2787, 3075, 3567, 4645, 5945, 6525, 8361, 9225, 10701, 13935, 17835, 23225, 26941, 29725, 38089, 41805, 53505, 69675, 80823, 89175, 114267, 134705, 190445, 209025, 242469, 267525, 342801, 404115, 571335, 673525, 952225, 1104581, 1212345, 1714005, 2020575, 2856675, 3313743, 5522905, 6061725, 8570025, 9941229, 16568715, 27614525, 49706145, 82843575, 248530725]

約数ペア:

[(1, 248530725), (3, 82843575), (5, 49706145), (9, 27614525), (15, 16568715), (25, 9941229), (29, 8570025), (41, 6061725), (45, 5522905), (75, 3313743), (87, 2856675), (123, 2020575), (145, 1714005), (205, 1212345), (225, 1104581), (261, 952225), (369, 673525), (435, 571335), (615, 404115), (725, 342801), (929, 267525), (1025, 242469), (1189, 209025), (1305, 190445), (1845, 134705), (2175, 114267), (2787, 89175), (3075, 80823), (3567, 69675), (4645, 53505), (5945, 41805), (6525, 38089), (8361, 29725), (9225, 26941), (10701, 23225), (13935, 17835)]