254366860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{31249}}^1$

素因数の和:31306

約数の個数: 48

約数和(自身を含む): 598500000

約数和(自身を除く): 344133140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1628, 2035, 4070, 8140, 31249, 62498, 124996, 156245, 312490, 343739, 624980, 687478, 1156213, 1374956, 1718695, 2312426, 3437390, 4624852, 5781065, 6874780, 11562130, 12718343, 23124260, 25436686, 50873372, 63591715, 127183430, 254366860]

約数ペア:

[(1, 254366860), (2, 127183430), (4, 63591715), (5, 50873372), (10, 25436686), (11, 23124260), (20, 12718343), (22, 11562130), (37, 6874780), (44, 5781065), (55, 4624852), (74, 3437390), (110, 2312426), (148, 1718695), (185, 1374956), (220, 1156213), (370, 687478), (407, 624980), (740, 343739), (814, 312490), (1628, 156245), (2035, 124996), (4070, 62498), (8140, 31249)]