313996430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 638254080

約数和(自身を除く): 324257650

約数列:

[1, 2, 5, 10, 11, 22, 37, 55, 74, 110, 179, 185, 358, 370, 407, 431, 814, 862, 895, 1790, 1969, 2035, 2155, 3938, 4070, 4310, 4741, 6623, 9482, 9845, 13246, 15947, 19690, 23705, 31894, 33115, 47410, 66230, 72853, 77149, 79735, 145706, 154298, 159470, 175417, 350834, 364265, 385745, 728530, 771490, 848639, 877085, 1697278, 1754170, 2854513, 4243195, 5709026, 8486390, 14272565, 28545130, 31399643, 62799286, 156998215, 313996430]

約数ペア:

[(1, 313996430), (2, 156998215), (5, 62799286), (10, 31399643), (11, 28545130), (22, 14272565), (37, 8486390), (55, 5709026), (74, 4243195), (110, 2854513), (179, 1754170), (185, 1697278), (358, 877085), (370, 848639), (407, 771490), (431, 728530), (814, 385745), (862, 364265), (895, 350834), (1790, 175417), (1969, 159470), (2035, 154298), (2155, 145706), (3938, 79735), (4070, 77149), (4310, 72853), (4741, 66230), (6623, 47410), (9482, 33115), (9845, 31894), (13246, 23705), (15947, 19690)]