415689508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 842408000

約数和(自身を除く): 426718492

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 139, 199, 221, 278, 289, 398, 442, 556, 578, 796, 884, 1156, 1807, 2363, 2587, 3383, 3614, 3757, 4726, 5174, 6766, 7228, 7514, 9452, 10348, 13532, 15028, 27661, 30719, 40171, 43979, 55322, 57511, 61438, 80342, 87958, 110644, 115022, 122876, 160684, 175916, 230044, 359593, 470237, 522223, 719186, 747643, 940474, 1044446, 1438372, 1495286, 1880948, 2088892, 2990572, 6113081, 7994029, 12226162, 15988058, 24452324, 31976116, 103922377, 207844754, 415689508]

約数ペア:

[(1, 415689508), (2, 207844754), (4, 103922377), (13, 31976116), (17, 24452324), (26, 15988058), (34, 12226162), (52, 7994029), (68, 6113081), (139, 2990572), (199, 2088892), (221, 1880948), (278, 1495286), (289, 1438372), (398, 1044446), (442, 940474), (556, 747643), (578, 719186), (796, 522223), (884, 470237), (1156, 359593), (1807, 230044), (2363, 175916), (2587, 160684), (3383, 122876), (3614, 115022), (3757, 110644), (4726, 87958), (5174, 80342), (6766, 61438), (7228, 57511), (7514, 55322), (9452, 43979), (10348, 40171), (13532, 30719), (15028, 27661)]