499343000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:646

約数の個数: 128

約数和(自身を含む): 1278426240

約数和(自身を除く): 779083240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 71, 100, 104, 125, 130, 142, 200, 250, 260, 284, 325, 355, 500, 520, 541, 568, 650, 710, 923, 1000, 1082, 1300, 1420, 1625, 1775, 1846, 2164, 2600, 2705, 2840, 3250, 3550, 3692, 4328, 4615, 5410, 6500, 7033, 7100, 7384, 8875, 9230, 10820, 13000, 13525, 14066, 14200, 17750, 18460, 21640, 23075, 27050, 28132, 35165, 35500, 36920, 38411, 46150, 54100, 56264, 67625, 70330, 71000, 76822, 92300, 108200, 115375, 135250, 140660, 153644, 175825, 184600, 192055, 230750, 270500, 281320, 307288, 351650, 384110, 461500, 499343, 541000, 703300, 768220, 879125, 923000, 960275, 998686, 1406600, 1536440, 1758250, 1920550, 1997372, 2496715, 3516500, 3841100, 3994744, 4801375, 4993430, 7033000, 7682200, 9602750, 9986860, 12483575, 19205500, 19973720, 24967150, 38411000, 49934300, 62417875, 99868600, 124835750, 249671500, 499343000]

約数ペア:

[(1, 499343000), (2, 249671500), (4, 124835750), (5, 99868600), (8, 62417875), (10, 49934300), (13, 38411000), (20, 24967150), (25, 19973720), (26, 19205500), (40, 12483575), (50, 9986860), (52, 9602750), (65, 7682200), (71, 7033000), (100, 4993430), (104, 4801375), (125, 3994744), (130, 3841100), (142, 3516500), (200, 2496715), (250, 1997372), (260, 1920550), (284, 1758250), (325, 1536440), (355, 1406600), (500, 998686), (520, 960275), (541, 923000), (568, 879125), (650, 768220), (710, 703300), (923, 541000), (1000, 499343), (1082, 461500), (1300, 384110), (1420, 351650), (1625, 307288), (1775, 281320), (1846, 270500), (2164, 230750), (2600, 192055), (2705, 184600), (2840, 175825), (3250, 153644), (3550, 140660), (3692, 135250), (4328, 115375), (4615, 108200), (5410, 92300), (6500, 76822), (7033, 71000), (7100, 70330), (7384, 67625), (8875, 56264), (9230, 54100), (10820, 46150), (13000, 38411), (13525, 36920), (14066, 35500), (14200, 35165), (17750, 28132), (18460, 27050), (21640, 23075)]