397448520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15263}}^1$

素因数の和:15315

約数の個数: 128

約数和(自身を含む): 1406730240

約数和(自身を除く): 1009281720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 15263, 26040, 30526, 45789, 61052, 76315, 91578, 106841, 122104, 152630, 183156, 213682, 228945, 305260, 320523, 366312, 427364, 457890, 473153, 534205, 610520, 641046, 854728, 915780, 946306, 1068410, 1282092, 1419459, 1602615, 1831560, 1892612, 2136820, 2365765, 2564184, 2838918, 3205230, 3312071, 3785224, 4273640, 4731530, 5677836, 6410460, 6624142, 7097295, 9463060, 9936213, 11355672, 12820920, 13248284, 14194590, 16560355, 18926120, 19872426, 26496568, 28389180, 33120710, 39744852, 49681065, 56778360, 66241420, 79489704, 99362130, 132482840, 198724260, 397448520]

約数ペア:

[(1, 397448520), (2, 198724260), (3, 132482840), (4, 99362130), (5, 79489704), (6, 66241420), (7, 56778360), (8, 49681065), (10, 39744852), (12, 33120710), (14, 28389180), (15, 26496568), (20, 19872426), (21, 18926120), (24, 16560355), (28, 14194590), (30, 13248284), (31, 12820920), (35, 11355672), (40, 9936213), (42, 9463060), (56, 7097295), (60, 6624142), (62, 6410460), (70, 5677836), (84, 4731530), (93, 4273640), (105, 3785224), (120, 3312071), (124, 3205230), (140, 2838918), (155, 2564184), (168, 2365765), (186, 2136820), (210, 1892612), (217, 1831560), (248, 1602615), (280, 1419459), (310, 1282092), (372, 1068410), (420, 946306), (434, 915780), (465, 854728), (620, 641046), (651, 610520), (744, 534205), (840, 473153), (868, 457890), (930, 427364), (1085, 366312), (1240, 320523), (1302, 305260), (1736, 228945), (1860, 213682), (2170, 183156), (2604, 152630), (3255, 122104), (3720, 106841), (4340, 91578), (5208, 76315), (6510, 61052), (8680, 45789), (13020, 30526), (15263, 26040)]