20147121050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{6217}}^1$

素因数の和:6480

約数の個数: 96

約数和(自身を含む): 43967328768

約数和(自身を除く): 23820207718

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 47, 50, 70, 94, 175, 197, 235, 329, 350, 394, 470, 658, 985, 1175, 1379, 1645, 1970, 2350, 2758, 3290, 4925, 6217, 6895, 8225, 9259, 9850, 12434, 13790, 16450, 18518, 31085, 34475, 43519, 46295, 62170, 64813, 68950, 87038, 92590, 129626, 155425, 217595, 231475, 292199, 310850, 324065, 435190, 462950, 584398, 648130, 1087975, 1224749, 1460995, 1620325, 2045393, 2175950, 2449498, 2921990, 3240650, 4090786, 6123745, 7304975, 8573243, 10226965, 12247490, 14609950, 17146486, 20453930, 30618725, 42866215, 51134825, 57563203, 61237450, 85732430, 102269650, 115126406, 214331075, 287816015, 402942421, 428662150, 575632030, 805884842, 1439080075, 2014712105, 2878160150, 4029424210, 10073560525, 20147121050]

約数ペア:

[(1, 20147121050), (2, 10073560525), (5, 4029424210), (7, 2878160150), (10, 2014712105), (14, 1439080075), (25, 805884842), (35, 575632030), (47, 428662150), (50, 402942421), (70, 287816015), (94, 214331075), (175, 115126406), (197, 102269650), (235, 85732430), (329, 61237450), (350, 57563203), (394, 51134825), (470, 42866215), (658, 30618725), (985, 20453930), (1175, 17146486), (1379, 14609950), (1645, 12247490), (1970, 10226965), (2350, 8573243), (2758, 7304975), (3290, 6123745), (4925, 4090786), (6217, 3240650), (6895, 2921990), (8225, 2449498), (9259, 2175950), (9850, 2045393), (12434, 1620325), (13790, 1460995), (16450, 1224749), (18518, 1087975), (31085, 648130), (34475, 584398), (43519, 462950), (46295, 435190), (62170, 324065), (64813, 310850), (68950, 292199), (87038, 231475), (92590, 217595), (129626, 155425)]