15460970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 32749920

約数和(自身を除く): 17288950

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 227, 245, 278, 454, 490, 695, 973, 1135, 1390, 1589, 1946, 2270, 3178, 4865, 6811, 7945, 9730, 11123, 13622, 15890, 22246, 31553, 34055, 55615, 63106, 68110, 111230, 157765, 220871, 315530, 441742, 1104355, 1546097, 2208710, 3092194, 7730485, 15460970]

約数ペア:

[(1, 15460970), (2, 7730485), (5, 3092194), (7, 2208710), (10, 1546097), (14, 1104355), (35, 441742), (49, 315530), (70, 220871), (98, 157765), (139, 111230), (227, 68110), (245, 63106), (278, 55615), (454, 34055), (490, 31553), (695, 22246), (973, 15890), (1135, 13622), (1390, 11123), (1589, 9730), (1946, 7945), (2270, 6811), (3178, 4865)]