63971420

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 137803680

約数和(自身を除く): 73832260

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 356, 415, 433, 445, 830, 866, 890, 1660, 1732, 1780, 2165, 4330, 7387, 8660, 14774, 29548, 35939, 36935, 38537, 71878, 73870, 77074, 143756, 147740, 154148, 179695, 192685, 359390, 385370, 718780, 770740, 3198571, 6397142, 12794284, 15992855, 31985710, 63971420]

約数ペア:

[(1, 63971420), (2, 31985710), (4, 15992855), (5, 12794284), (10, 6397142), (20, 3198571), (83, 770740), (89, 718780), (166, 385370), (178, 359390), (332, 192685), (356, 179695), (415, 154148), (433, 147740), (445, 143756), (830, 77074), (866, 73870), (890, 71878), (1660, 38537), (1732, 36935), (1780, 35939), (2165, 29548), (4330, 14774), (7387, 8660)]