197034520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 456775200

約数和(自身を除く): 259740680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 317, 328, 379, 410, 634, 758, 820, 1268, 1516, 1585, 1640, 1895, 2536, 3032, 3170, 3790, 6340, 7580, 12680, 12997, 15160, 15539, 25994, 31078, 51988, 62156, 64985, 77695, 103976, 120143, 124312, 129970, 155390, 240286, 259940, 310780, 480572, 519880, 600715, 621560, 961144, 1201430, 2402860, 4805720, 4925863, 9851726, 19703452, 24629315, 39406904, 49258630, 98517260, 197034520]

約数ペア:

[(1, 197034520), (2, 98517260), (4, 49258630), (5, 39406904), (8, 24629315), (10, 19703452), (20, 9851726), (40, 4925863), (41, 4805720), (82, 2402860), (164, 1201430), (205, 961144), (317, 621560), (328, 600715), (379, 519880), (410, 480572), (634, 310780), (758, 259940), (820, 240286), (1268, 155390), (1516, 129970), (1585, 124312), (1640, 120143), (1895, 103976), (2536, 77695), (3032, 64985), (3170, 62156), (3790, 51988), (6340, 31078), (7580, 25994), (12680, 15539), (12997, 15160)]