397459860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{49807}}^1$

素因数の和:49845

約数の個数: 96

約数和(自身を含む): 1338839040

約数和(自身を除く): 941379180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 49807, 99614, 149421, 199228, 249035, 298842, 348649, 498070, 597684, 697298, 747105, 946333, 996140, 1045947, 1394596, 1494210, 1743245, 1892666, 2091894, 2838999, 2988420, 3486490, 3785332, 4183788, 4731665, 5229735, 5677998, 6624331, 6972980, 9463330, 10459470, 11355996, 13248662, 14194995, 18926660, 19872993, 20918940, 26497324, 28389990, 33121655, 39745986, 56779980, 66243310, 79491972, 99364965, 132486620, 198729930, 397459860]

約数ペア:

[(1, 397459860), (2, 198729930), (3, 132486620), (4, 99364965), (5, 79491972), (6, 66243310), (7, 56779980), (10, 39745986), (12, 33121655), (14, 28389990), (15, 26497324), (19, 20918940), (20, 19872993), (21, 18926660), (28, 14194995), (30, 13248662), (35, 11355996), (38, 10459470), (42, 9463330), (57, 6972980), (60, 6624331), (70, 5677998), (76, 5229735), (84, 4731665), (95, 4183788), (105, 3785332), (114, 3486490), (133, 2988420), (140, 2838999), (190, 2091894), (210, 1892666), (228, 1743245), (266, 1494210), (285, 1394596), (380, 1045947), (399, 996140), (420, 946333), (532, 747105), (570, 697298), (665, 597684), (798, 498070), (1140, 348649), (1330, 298842), (1596, 249035), (1995, 199228), (2660, 149421), (3990, 99614), (7980, 49807)]