209863920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{124919}}^1$

素因数の和:124942

約数の個数: 80

約数和(自身を含む): 743523840

約数和(自身を除く): 533659920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 124919, 249838, 374757, 499676, 624595, 749514, 874433, 999352, 1249190, 1499028, 1748866, 1873785, 1998704, 2498380, 2623299, 2998056, 3497732, 3747570, 4372165, 4996760, 5246598, 5996112, 6995464, 7495140, 8744330, 9993520, 10493196, 13116495, 13990928, 14990280, 17488660, 20986392, 26232990, 29980560, 34977320, 41972784, 52465980, 69954640, 104931960, 209863920]

約数ペア:

[(1, 209863920), (2, 104931960), (3, 69954640), (4, 52465980), (5, 41972784), (6, 34977320), (7, 29980560), (8, 26232990), (10, 20986392), (12, 17488660), (14, 14990280), (15, 13990928), (16, 13116495), (20, 10493196), (21, 9993520), (24, 8744330), (28, 7495140), (30, 6995464), (35, 5996112), (40, 5246598), (42, 4996760), (48, 4372165), (56, 3747570), (60, 3497732), (70, 2998056), (80, 2623299), (84, 2498380), (105, 1998704), (112, 1873785), (120, 1748866), (140, 1499028), (168, 1249190), (210, 999352), (240, 874433), (280, 749514), (336, 624595), (420, 499676), (560, 374757), (840, 249838), (1680, 124919)]