49905520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 120

約数和(自身を含む): 139946400

約数和(自身を除く): 90040880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 392, 406, 439, 464, 490, 560, 580, 784, 812, 878, 980, 1015, 1160, 1421, 1624, 1756, 1960, 2030, 2195, 2320, 2842, 3073, 3248, 3512, 3920, 4060, 4390, 5684, 6146, 7024, 7105, 8120, 8780, 11368, 12292, 12731, 14210, 15365, 16240, 17560, 21511, 22736, 24584, 25462, 28420, 30730, 35120, 43022, 49168, 50924, 56840, 61460, 63655, 86044, 89117, 101848, 107555, 113680, 122920, 127310, 172088, 178234, 203696, 215110, 245840, 254620, 344176, 356468, 430220, 445585, 509240, 623819, 712936, 860440, 891170, 1018480, 1247638, 1425872, 1720880, 1782340, 2495276, 3119095, 3564680, 4990552, 6238190, 7129360, 9981104, 12476380, 24952760, 49905520]

約数ペア:

[(1, 49905520), (2, 24952760), (4, 12476380), (5, 9981104), (7, 7129360), (8, 6238190), (10, 4990552), (14, 3564680), (16, 3119095), (20, 2495276), (28, 1782340), (29, 1720880), (35, 1425872), (40, 1247638), (49, 1018480), (56, 891170), (58, 860440), (70, 712936), (80, 623819), (98, 509240), (112, 445585), (116, 430220), (140, 356468), (145, 344176), (196, 254620), (203, 245840), (232, 215110), (245, 203696), (280, 178234), (290, 172088), (392, 127310), (406, 122920), (439, 113680), (464, 107555), (490, 101848), (560, 89117), (580, 86044), (784, 63655), (812, 61460), (878, 56840), (980, 50924), (1015, 49168), (1160, 43022), (1421, 35120), (1624, 30730), (1756, 28420), (1960, 25462), (2030, 24584), (2195, 22736), (2320, 21511), (2842, 17560), (3073, 16240), (3248, 15365), (3512, 14210), (3920, 12731), (4060, 12292), (4390, 11368), (5684, 8780), (6146, 8120), (7024, 7105)]