210908460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:416

約数の個数: 192

約数和(自身を含む): 723824640

約数和(自身を除く): 512916180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 109, 119, 140, 170, 204, 210, 218, 238, 255, 271, 327, 340, 357, 420, 436, 476, 510, 542, 545, 595, 654, 714, 763, 813, 1020, 1084, 1090, 1190, 1308, 1355, 1428, 1526, 1626, 1635, 1785, 1853, 1897, 2180, 2289, 2380, 2710, 3052, 3252, 3270, 3570, 3706, 3794, 3815, 4065, 4578, 4607, 5420, 5559, 5691, 6540, 7140, 7412, 7588, 7630, 8130, 9156, 9214, 9265, 9485, 11118, 11382, 11445, 12971, 13821, 15260, 16260, 18428, 18530, 18970, 22236, 22764, 22890, 23035, 25942, 27642, 27795, 28455, 29539, 32249, 37060, 37940, 38913, 45780, 46070, 51884, 55284, 55590, 56910, 59078, 64498, 64855, 69105, 77826, 88617, 92140, 96747, 111180, 113820, 118156, 128996, 129710, 138210, 147695, 155652, 161245, 177234, 193494, 194565, 206773, 259420, 276420, 295390, 322490, 354468, 386988, 389130, 413546, 443085, 483735, 502163, 590780, 620319, 644980, 778260, 827092, 886170, 967470, 1004326, 1033865, 1240638, 1506489, 1772340, 1934940, 2008652, 2067730, 2481276, 2510815, 3012978, 3101595, 3515141, 4135460, 5021630, 6025956, 6203190, 7030282, 7532445, 10043260, 10545423, 12406380, 14060564, 15064890, 17575705, 21090846, 30129780, 35151410, 42181692, 52727115, 70302820, 105454230, 210908460]

約数ペア:

[(1, 210908460), (2, 105454230), (3, 70302820), (4, 52727115), (5, 42181692), (6, 35151410), (7, 30129780), (10, 21090846), (12, 17575705), (14, 15064890), (15, 14060564), (17, 12406380), (20, 10545423), (21, 10043260), (28, 7532445), (30, 7030282), (34, 6203190), (35, 6025956), (42, 5021630), (51, 4135460), (60, 3515141), (68, 3101595), (70, 3012978), (84, 2510815), (85, 2481276), (102, 2067730), (105, 2008652), (109, 1934940), (119, 1772340), (140, 1506489), (170, 1240638), (204, 1033865), (210, 1004326), (218, 967470), (238, 886170), (255, 827092), (271, 778260), (327, 644980), (340, 620319), (357, 590780), (420, 502163), (436, 483735), (476, 443085), (510, 413546), (542, 389130), (545, 386988), (595, 354468), (654, 322490), (714, 295390), (763, 276420), (813, 259420), (1020, 206773), (1084, 194565), (1090, 193494), (1190, 177234), (1308, 161245), (1355, 155652), (1428, 147695), (1526, 138210), (1626, 129710), (1635, 128996), (1785, 118156), (1853, 113820), (1897, 111180), (2180, 96747), (2289, 92140), (2380, 88617), (2710, 77826), (3052, 69105), (3252, 64855), (3270, 64498), (3570, 59078), (3706, 56910), (3794, 55590), (3815, 55284), (4065, 51884), (4578, 46070), (4607, 45780), (5420, 38913), (5559, 37940), (5691, 37060), (6540, 32249), (7140, 29539), (7412, 28455), (7588, 27795), (7630, 27642), (8130, 25942), (9156, 23035), (9214, 22890), (9265, 22764), (9485, 22236), (11118, 18970), (11382, 18530), (11445, 18428), (12971, 16260), (13821, 15260)]