349657280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1123}}^1$

素因数の和:1286

約数の個数: 112

約数和(自身を含む): 959266560

約数和(自身を除く): 609609280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 139, 140, 160, 224, 278, 280, 320, 448, 556, 560, 695, 973, 1112, 1120, 1123, 1390, 1946, 2224, 2240, 2246, 2780, 3892, 4448, 4492, 4865, 5560, 5615, 7784, 7861, 8896, 8984, 9730, 11120, 11230, 15568, 15722, 17968, 19460, 22240, 22460, 31136, 31444, 35936, 38920, 39305, 44480, 44920, 62272, 62888, 71872, 77840, 78610, 89840, 125776, 155680, 156097, 157220, 179680, 251552, 311360, 312194, 314440, 359360, 503104, 624388, 628880, 780485, 1092679, 1248776, 1257760, 1560970, 2185358, 2497552, 2515520, 3121940, 4370716, 4995104, 5463395, 6243880, 8741432, 9990208, 10926790, 12487760, 17482864, 21853580, 24975520, 34965728, 43707160, 49951040, 69931456, 87414320, 174828640, 349657280]

約数ペア:

[(1, 349657280), (2, 174828640), (4, 87414320), (5, 69931456), (7, 49951040), (8, 43707160), (10, 34965728), (14, 24975520), (16, 21853580), (20, 17482864), (28, 12487760), (32, 10926790), (35, 9990208), (40, 8741432), (56, 6243880), (64, 5463395), (70, 4995104), (80, 4370716), (112, 3121940), (139, 2515520), (140, 2497552), (160, 2185358), (224, 1560970), (278, 1257760), (280, 1248776), (320, 1092679), (448, 780485), (556, 628880), (560, 624388), (695, 503104), (973, 359360), (1112, 314440), (1120, 312194), (1123, 311360), (1390, 251552), (1946, 179680), (2224, 157220), (2240, 156097), (2246, 155680), (2780, 125776), (3892, 89840), (4448, 78610), (4492, 77840), (4865, 71872), (5560, 62888), (5615, 62272), (7784, 44920), (7861, 44480), (8896, 39305), (8984, 38920), (9730, 35936), (11120, 31444), (11230, 31136), (15568, 22460), (15722, 22240), (17968, 19460)]