249755880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{439}}^1$

素因数の和:895

約数の個数: 128

約数和(自身を含む): 821145600

約数和(自身を除く): 571389720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 431, 439, 440, 660, 862, 878, 1293, 1317, 1320, 1724, 1756, 2155, 2195, 2586, 2634, 3448, 3512, 4310, 4390, 4741, 4829, 5172, 5268, 6465, 6585, 8620, 8780, 9482, 9658, 10344, 10536, 12930, 13170, 14223, 14487, 17240, 17560, 18964, 19316, 23705, 24145, 25860, 26340, 28446, 28974, 37928, 38632, 47410, 48290, 51720, 52680, 56892, 57948, 71115, 72435, 94820, 96580, 113784, 115896, 142230, 144870, 189209, 189640, 193160, 284460, 289740, 378418, 567627, 568920, 579480, 756836, 946045, 1135254, 1513672, 1892090, 2081299, 2270508, 2838135, 3784180, 4162598, 4541016, 5676270, 6243897, 7568360, 8325196, 10406495, 11352540, 12487794, 16650392, 20812990, 22705080, 24975588, 31219485, 41625980, 49951176, 62438970, 83251960, 124877940, 249755880]

約数ペア:

[(1, 249755880), (2, 124877940), (3, 83251960), (4, 62438970), (5, 49951176), (6, 41625980), (8, 31219485), (10, 24975588), (11, 22705080), (12, 20812990), (15, 16650392), (20, 12487794), (22, 11352540), (24, 10406495), (30, 8325196), (33, 7568360), (40, 6243897), (44, 5676270), (55, 4541016), (60, 4162598), (66, 3784180), (88, 2838135), (110, 2270508), (120, 2081299), (132, 1892090), (165, 1513672), (220, 1135254), (264, 946045), (330, 756836), (431, 579480), (439, 568920), (440, 567627), (660, 378418), (862, 289740), (878, 284460), (1293, 193160), (1317, 189640), (1320, 189209), (1724, 144870), (1756, 142230), (2155, 115896), (2195, 113784), (2586, 96580), (2634, 94820), (3448, 72435), (3512, 71115), (4310, 57948), (4390, 56892), (4741, 52680), (4829, 51720), (5172, 48290), (5268, 47410), (6465, 38632), (6585, 37928), (8620, 28974), (8780, 28446), (9482, 26340), (9658, 25860), (10344, 24145), (10536, 23705), (12930, 19316), (13170, 18964), (14223, 17560), (14487, 17240)]