211196580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21863}}^1$

素因数の和:21905

約数の個数: 96

約数和(自身を含む): 705245184

約数和(自身を除く): 494048604

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 9660, 21863, 43726, 65589, 87452, 109315, 131178, 153041, 218630, 262356, 306082, 327945, 437260, 459123, 502849, 612164, 655890, 765205, 918246, 1005698, 1311780, 1508547, 1530410, 1836492, 2011396, 2295615, 2514245, 3017094, 3060820, 3519943, 4591230, 5028490, 6034188, 7039886, 7542735, 9182460, 10056980, 10559829, 14079772, 15085470, 17599715, 21119658, 30170940, 35199430, 42239316, 52799145, 70398860, 105598290, 211196580]

約数ペア:

[(1, 211196580), (2, 105598290), (3, 70398860), (4, 52799145), (5, 42239316), (6, 35199430), (7, 30170940), (10, 21119658), (12, 17599715), (14, 15085470), (15, 14079772), (20, 10559829), (21, 10056980), (23, 9182460), (28, 7542735), (30, 7039886), (35, 6034188), (42, 5028490), (46, 4591230), (60, 3519943), (69, 3060820), (70, 3017094), (84, 2514245), (92, 2295615), (105, 2011396), (115, 1836492), (138, 1530410), (140, 1508547), (161, 1311780), (210, 1005698), (230, 918246), (276, 765205), (322, 655890), (345, 612164), (420, 502849), (460, 459123), (483, 437260), (644, 327945), (690, 306082), (805, 262356), (966, 218630), (1380, 153041), (1610, 131178), (1932, 109315), (2415, 87452), (3220, 65589), (4830, 43726), (9660, 21863)]