311640732

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:500

約数の個数: 108

約数和(自身を含む): 860760264

約数和(自身を除く): 549119532

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 181, 234, 283, 338, 362, 468, 507, 543, 566, 676, 724, 849, 1014, 1086, 1132, 1521, 1629, 1698, 2028, 2172, 2353, 2547, 3042, 3258, 3396, 3679, 4706, 5094, 6084, 6516, 7059, 7358, 9412, 10188, 11037, 14118, 14716, 21177, 22074, 28236, 30589, 33111, 42354, 44148, 47827, 51223, 61178, 66222, 84708, 91767, 95654, 102446, 122356, 132444, 143481, 153669, 183534, 191308, 204892, 275301, 286962, 307338, 367068, 430443, 461007, 550602, 573924, 614676, 665899, 860886, 922014, 1101204, 1331798, 1721772, 1844028, 1997697, 2663596, 3995394, 5993091, 7990788, 8656687, 11986182, 17313374, 23972364, 25970061, 34626748, 51940122, 77910183, 103880244, 155820366, 311640732]

約数ペア:

[(1, 311640732), (2, 155820366), (3, 103880244), (4, 77910183), (6, 51940122), (9, 34626748), (12, 25970061), (13, 23972364), (18, 17313374), (26, 11986182), (36, 8656687), (39, 7990788), (52, 5993091), (78, 3995394), (117, 2663596), (156, 1997697), (169, 1844028), (181, 1721772), (234, 1331798), (283, 1101204), (338, 922014), (362, 860886), (468, 665899), (507, 614676), (543, 573924), (566, 550602), (676, 461007), (724, 430443), (849, 367068), (1014, 307338), (1086, 286962), (1132, 275301), (1521, 204892), (1629, 191308), (1698, 183534), (2028, 153669), (2172, 143481), (2353, 132444), (2547, 122356), (3042, 102446), (3258, 95654), (3396, 91767), (3679, 84708), (4706, 66222), (5094, 61178), (6084, 51223), (6516, 47827), (7059, 44148), (7358, 42354), (9412, 33111), (10188, 30589), (11037, 28236), (14118, 22074), (14716, 21177)]