2570540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 6530832

約数和(自身を除く): 3960292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 61, 70, 86, 98, 122, 140, 172, 196, 215, 244, 245, 301, 305, 427, 430, 490, 602, 610, 854, 860, 980, 1204, 1220, 1505, 1708, 2107, 2135, 2623, 2989, 3010, 4214, 4270, 5246, 5978, 6020, 8428, 8540, 10492, 10535, 11956, 13115, 14945, 18361, 21070, 26230, 29890, 36722, 42140, 52460, 59780, 73444, 91805, 128527, 183610, 257054, 367220, 514108, 642635, 1285270, 2570540]

約数ペア:

[(1, 2570540), (2, 1285270), (4, 642635), (5, 514108), (7, 367220), (10, 257054), (14, 183610), (20, 128527), (28, 91805), (35, 73444), (43, 59780), (49, 52460), (61, 42140), (70, 36722), (86, 29890), (98, 26230), (122, 21070), (140, 18361), (172, 14945), (196, 13115), (215, 11956), (244, 10535), (245, 10492), (301, 8540), (305, 8428), (427, 6020), (430, 5978), (490, 5246), (602, 4270), (610, 4214), (854, 3010), (860, 2989), (980, 2623), (1204, 2135), (1220, 2107), (1505, 1708)]