78310210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 164073600

約数和(自身を除く): 85763390

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 89, 95, 110, 178, 190, 209, 418, 421, 445, 842, 890, 979, 1045, 1691, 1958, 2090, 2105, 3382, 4210, 4631, 4895, 7999, 8455, 9262, 9790, 15998, 16910, 18601, 23155, 37202, 37469, 39995, 46310, 74938, 79990, 87989, 93005, 175978, 186010, 187345, 374690, 412159, 439945, 711911, 824318, 879890, 1423822, 2060795, 3559555, 4121590, 7119110, 7831021, 15662042, 39155105, 78310210]

約数ペア:

[(1, 78310210), (2, 39155105), (5, 15662042), (10, 7831021), (11, 7119110), (19, 4121590), (22, 3559555), (38, 2060795), (55, 1423822), (89, 879890), (95, 824318), (110, 711911), (178, 439945), (190, 412159), (209, 374690), (418, 187345), (421, 186010), (445, 175978), (842, 93005), (890, 87989), (979, 79990), (1045, 74938), (1691, 46310), (1958, 39995), (2090, 37469), (2105, 37202), (3382, 23155), (4210, 18601), (4631, 16910), (4895, 15998), (7999, 9790), (8455, 9262)]