212265680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{251}}^1$

素因数の和:337

約数の個数: 120

約数和(自身を含む): 558526752

約数和(自身を除く): 346261072

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 251, 310, 341, 440, 496, 502, 620, 682, 880, 961, 1004, 1240, 1255, 1364, 1705, 1922, 2008, 2480, 2510, 2728, 2761, 3410, 3844, 4016, 4805, 5020, 5456, 5522, 6820, 7688, 7781, 9610, 10040, 10571, 11044, 13640, 13805, 15376, 15562, 19220, 20080, 21142, 22088, 27280, 27610, 31124, 38440, 38905, 42284, 44176, 52855, 55220, 62248, 76880, 77810, 84568, 85591, 105710, 110440, 124496, 155620, 169136, 171182, 211420, 220880, 241211, 311240, 342364, 422840, 427955, 482422, 622480, 684728, 845680, 855910, 964844, 1206055, 1369456, 1711820, 1929688, 2412110, 2653321, 3423640, 3859376, 4824220, 5306642, 6847280, 9648440, 10613284, 13266605, 19296880, 21226568, 26533210, 42453136, 53066420, 106132840, 212265680]

約数ペア:

[(1, 212265680), (2, 106132840), (4, 53066420), (5, 42453136), (8, 26533210), (10, 21226568), (11, 19296880), (16, 13266605), (20, 10613284), (22, 9648440), (31, 6847280), (40, 5306642), (44, 4824220), (55, 3859376), (62, 3423640), (80, 2653321), (88, 2412110), (110, 1929688), (124, 1711820), (155, 1369456), (176, 1206055), (220, 964844), (248, 855910), (251, 845680), (310, 684728), (341, 622480), (440, 482422), (496, 427955), (502, 422840), (620, 342364), (682, 311240), (880, 241211), (961, 220880), (1004, 211420), (1240, 171182), (1255, 169136), (1364, 155620), (1705, 124496), (1922, 110440), (2008, 105710), (2480, 85591), (2510, 84568), (2728, 77810), (2761, 76880), (3410, 62248), (3844, 55220), (4016, 52855), (4805, 44176), (5020, 42284), (5456, 38905), (5522, 38440), (6820, 31124), (7688, 27610), (7781, 27280), (9610, 22088), (10040, 21142), (10571, 20080), (11044, 19220), (13640, 15562), (13805, 15376)]