249961740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{85021}}^1$

素因数の和:85047

約数の個数: 72

約数和(自身を含む): 814170672

約数和(自身を除く): 564208932

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, 85021, 170042, 255063, 340084, 425105, 510126, 595147, 850210, 1020252, 1190294, 1275315, 1700420, 1785441, 2380588, 2550630, 2975735, 3570882, 4166029, 5101260, 5951470, 7141764, 8332058, 8927205, 11902940, 12498087, 16664116, 17854410, 20830145, 24996174, 35708820, 41660290, 49992348, 62490435, 83320580, 124980870, 249961740]

約数ペア:

[(1, 249961740), (2, 124980870), (3, 83320580), (4, 62490435), (5, 49992348), (6, 41660290), (7, 35708820), (10, 24996174), (12, 20830145), (14, 17854410), (15, 16664116), (20, 12498087), (21, 11902940), (28, 8927205), (30, 8332058), (35, 7141764), (42, 5951470), (49, 5101260), (60, 4166029), (70, 3570882), (84, 2975735), (98, 2550630), (105, 2380588), (140, 1785441), (147, 1700420), (196, 1275315), (210, 1190294), (245, 1020252), (294, 850210), (420, 595147), (490, 510126), (588, 425105), (735, 340084), (980, 255063), (1470, 170042), (2940, 85021)]