285991244

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 108

約数和(自身を含む): 662276160

約数和(自身を除く): 376284916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 121, 124, 154, 196, 217, 242, 308, 341, 389, 434, 484, 539, 682, 778, 847, 868, 1078, 1364, 1519, 1556, 1694, 2156, 2387, 2723, 3038, 3388, 3751, 4279, 4774, 5446, 5929, 6076, 7502, 8558, 9548, 10892, 11858, 12059, 15004, 16709, 17116, 19061, 23716, 24118, 26257, 29953, 33418, 38122, 47069, 48236, 52514, 59906, 66836, 76244, 84413, 94138, 105028, 119812, 132649, 168826, 183799, 188276, 209671, 265298, 329483, 337652, 367598, 419342, 530596, 590891, 658966, 735196, 838684, 928543, 1181782, 1317932, 1459139, 1857086, 2306381, 2363564, 2918278, 3714172, 4612762, 5836556, 6499801, 9225524, 10213973, 12999602, 20427946, 25999204, 40855892, 71497811, 142995622, 285991244]

約数ペア:

[(1, 285991244), (2, 142995622), (4, 71497811), (7, 40855892), (11, 25999204), (14, 20427946), (22, 12999602), (28, 10213973), (31, 9225524), (44, 6499801), (49, 5836556), (62, 4612762), (77, 3714172), (98, 2918278), (121, 2363564), (124, 2306381), (154, 1857086), (196, 1459139), (217, 1317932), (242, 1181782), (308, 928543), (341, 838684), (389, 735196), (434, 658966), (484, 590891), (539, 530596), (682, 419342), (778, 367598), (847, 337652), (868, 329483), (1078, 265298), (1364, 209671), (1519, 188276), (1556, 183799), (1694, 168826), (2156, 132649), (2387, 119812), (2723, 105028), (3038, 94138), (3388, 84413), (3751, 76244), (4279, 66836), (4774, 59906), (5446, 52514), (5929, 48236), (6076, 47069), (7502, 38122), (8558, 33418), (9548, 29953), (10892, 26257), (11858, 24118), (12059, 23716), (15004, 19061), (16709, 17116)]