248491740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{84521}}^1$

素因数の和:84547

約数の個数: 72

約数和(自身を含む): 809382672

約数和(自身を除く): 560890932

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 84521, 169042, 253563, 338084, 422605, 507126, 591647, 845210, 1014252, 1183294, 1267815, 1690420, 1774941, 2366588, 2535630, 2958235, 3549882, 4141529, 5071260, 5916470, 7099764, 8283058, 8874705, 11832940, 12424587, 16566116, 17749410, 20707645, 24849174, 35498820, 41415290, 49698348, 62122935, 82830580, 124245870, 248491740]

約数ペア:

[(1, 248491740), (2, 124245870), (3, 82830580), (4, 62122935), (5, 49698348), (6, 41415290), (7, 35498820), (10, 24849174), (12, 20707645), (14, 17749410), (15, 16566116), (20, 12424587), (21, 11832940), (28, 8874705), (30, 8283058), (35, 7099764), (42, 5916470), (49, 5071260), (60, 4141529), (70, 3549882), (84, 2958235), (98, 2535630), (105, 2366588), (140, 1774941), (147, 1690420), (196, 1267815), (210, 1183294), (245, 1014252), (294, 845210), (420, 591647), (490, 507126), (588, 422605), (735, 338084), (980, 253563), (1470, 169042), (2940, 84521)]