309970712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 630828000

約数和(自身を除く): 320857288

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 109, 152, 212, 218, 353, 424, 436, 706, 872, 1007, 1412, 2014, 2071, 2824, 4028, 4142, 5777, 6707, 8056, 8284, 11554, 13414, 16568, 18709, 23108, 26828, 37418, 38477, 46216, 53656, 74836, 76954, 109763, 149672, 153908, 219526, 307816, 355471, 439052, 710942, 731063, 878104, 1421884, 1462126, 2039281, 2843768, 2924252, 4078562, 5848504, 8157124, 16314248, 38746339, 77492678, 154985356, 309970712]

約数ペア:

[(1, 309970712), (2, 154985356), (4, 77492678), (8, 38746339), (19, 16314248), (38, 8157124), (53, 5848504), (76, 4078562), (106, 2924252), (109, 2843768), (152, 2039281), (212, 1462126), (218, 1421884), (353, 878104), (424, 731063), (436, 710942), (706, 439052), (872, 355471), (1007, 307816), (1412, 219526), (2014, 153908), (2071, 149672), (2824, 109763), (4028, 76954), (4142, 74836), (5777, 53656), (6707, 46216), (8056, 38477), (8284, 37418), (11554, 26828), (13414, 23108), (16568, 18709)]