217235340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3253}}^1$

素因数の和:3328

約数の個数: 144

約数和(自身を含む): 767527488

約数和(自身を除く): 550292148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 420, 477, 530, 630, 636, 742, 795, 954, 1060, 1113, 1260, 1484, 1590, 1855, 1908, 2226, 2385, 3180, 3253, 3339, 3710, 4452, 4770, 5565, 6506, 6678, 7420, 9540, 9759, 11130, 13012, 13356, 16265, 16695, 19518, 22260, 22771, 29277, 32530, 33390, 39036, 45542, 48795, 58554, 65060, 66780, 68313, 91084, 97590, 113855, 117108, 136626, 146385, 172409, 195180, 204939, 227710, 273252, 292770, 341565, 344818, 409878, 455420, 517227, 585540, 683130, 689636, 819756, 862045, 1024695, 1034454, 1206863, 1366260, 1551681, 1724090, 2049390, 2068908, 2413726, 2586135, 3103362, 3448180, 3620589, 4098780, 4827452, 5172270, 6034315, 6206724, 7241178, 7758405, 10344540, 10861767, 12068630, 14482356, 15516810, 18102945, 21723534, 24137260, 31033620, 36205890, 43447068, 54308835, 72411780, 108617670, 217235340]

約数ペア:

[(1, 217235340), (2, 108617670), (3, 72411780), (4, 54308835), (5, 43447068), (6, 36205890), (7, 31033620), (9, 24137260), (10, 21723534), (12, 18102945), (14, 15516810), (15, 14482356), (18, 12068630), (20, 10861767), (21, 10344540), (28, 7758405), (30, 7241178), (35, 6206724), (36, 6034315), (42, 5172270), (45, 4827452), (53, 4098780), (60, 3620589), (63, 3448180), (70, 3103362), (84, 2586135), (90, 2413726), (105, 2068908), (106, 2049390), (126, 1724090), (140, 1551681), (159, 1366260), (180, 1206863), (210, 1034454), (212, 1024695), (252, 862045), (265, 819756), (315, 689636), (318, 683130), (371, 585540), (420, 517227), (477, 455420), (530, 409878), (630, 344818), (636, 341565), (742, 292770), (795, 273252), (954, 227710), (1060, 204939), (1113, 195180), (1260, 172409), (1484, 146385), (1590, 136626), (1855, 117108), (1908, 113855), (2226, 97590), (2385, 91084), (3180, 68313), (3253, 66780), (3339, 65060), (3710, 58554), (4452, 48795), (4770, 45542), (5565, 39036), (6506, 33390), (6678, 32530), (7420, 29277), (9540, 22771), (9759, 22260), (11130, 19518), (13012, 16695), (13356, 16265)]