49207760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{12553}}^1$

素因数の和:12580

約数の個数: 60

約数和(自身を含む): 133097508

約数和(自身を除く): 83889748

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 12553, 25106, 50212, 62765, 87871, 100424, 125530, 175742, 200848, 251060, 351484, 439355, 502120, 615097, 702968, 878710, 1004240, 1230194, 1405936, 1757420, 2460388, 3075485, 3514840, 4920776, 6150970, 7029680, 9841552, 12301940, 24603880, 49207760]

約数ペア:

[(1, 49207760), (2, 24603880), (4, 12301940), (5, 9841552), (7, 7029680), (8, 6150970), (10, 4920776), (14, 3514840), (16, 3075485), (20, 2460388), (28, 1757420), (35, 1405936), (40, 1230194), (49, 1004240), (56, 878710), (70, 702968), (80, 615097), (98, 502120), (112, 439355), (140, 351484), (196, 251060), (245, 200848), (280, 175742), (392, 125530), (490, 100424), (560, 87871), (784, 62765), (980, 50212), (1960, 25106), (3920, 12553)]