171477980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 401962176

約数和(自身を除く): 230484196

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 43, 68, 74, 85, 86, 148, 170, 172, 185, 215, 317, 340, 370, 430, 629, 634, 731, 740, 860, 1258, 1268, 1462, 1585, 1591, 2516, 2924, 3145, 3170, 3182, 3655, 5389, 6290, 6340, 6364, 7310, 7955, 10778, 11729, 12580, 13631, 14620, 15910, 21556, 23458, 26945, 27047, 27262, 31820, 46916, 53890, 54094, 54524, 58645, 68155, 107780, 108188, 117290, 135235, 136310, 199393, 231727, 234580, 270470, 272620, 398786, 463454, 504347, 540940, 797572, 926908, 996965, 1008694, 1158635, 1993930, 2017388, 2317270, 2521735, 3987860, 4634540, 5043470, 8573899, 10086940, 17147798, 34295596, 42869495, 85738990, 171477980]

約数ペア:

[(1, 171477980), (2, 85738990), (4, 42869495), (5, 34295596), (10, 17147798), (17, 10086940), (20, 8573899), (34, 5043470), (37, 4634540), (43, 3987860), (68, 2521735), (74, 2317270), (85, 2017388), (86, 1993930), (148, 1158635), (170, 1008694), (172, 996965), (185, 926908), (215, 797572), (317, 540940), (340, 504347), (370, 463454), (430, 398786), (629, 272620), (634, 270470), (731, 234580), (740, 231727), (860, 199393), (1258, 136310), (1268, 135235), (1462, 117290), (1585, 108188), (1591, 107780), (2516, 68155), (2924, 58645), (3145, 54524), (3170, 54094), (3182, 53890), (3655, 46916), (5389, 31820), (6290, 27262), (6340, 27047), (6364, 26945), (7310, 23458), (7955, 21556), (10778, 15910), (11729, 14620), (12580, 13631)]