505960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:170

約数の個数: 64

約数和(自身を含む): 1411200

約数和(自身を除く): 905240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 139, 140, 182, 260, 278, 280, 364, 455, 520, 556, 695, 728, 910, 973, 1112, 1390, 1807, 1820, 1946, 2780, 3614, 3640, 3892, 4865, 5560, 7228, 7784, 9035, 9730, 12649, 14456, 18070, 19460, 25298, 36140, 38920, 50596, 63245, 72280, 101192, 126490, 252980, 505960]

約数ペア:

[(1, 505960), (2, 252980), (4, 126490), (5, 101192), (7, 72280), (8, 63245), (10, 50596), (13, 38920), (14, 36140), (20, 25298), (26, 19460), (28, 18070), (35, 14456), (40, 12649), (52, 9730), (56, 9035), (65, 7784), (70, 7228), (91, 5560), (104, 4865), (130, 3892), (139, 3640), (140, 3614), (182, 2780), (260, 1946), (278, 1820), (280, 1807), (364, 1390), (455, 1112), (520, 973), (556, 910), (695, 728)]