247363090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 550851840

約数和(自身を除く): 303488750

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 43, 65, 85, 86, 95, 130, 137, 170, 190, 215, 221, 247, 274, 323, 430, 442, 494, 559, 646, 685, 731, 817, 1105, 1118, 1235, 1370, 1462, 1615, 1634, 1781, 2210, 2329, 2470, 2603, 2795, 3230, 3562, 3655, 4085, 4199, 4658, 5206, 5590, 5891, 7310, 8170, 8398, 8905, 9503, 10621, 11645, 11782, 13015, 13889, 17810, 19006, 20995, 21242, 23290, 26030, 27778, 29455, 30277, 33839, 41990, 44251, 47515, 53105, 58910, 60554, 67678, 69445, 76583, 88502, 95030, 100147, 106210, 111929, 138890, 151385, 153166, 169195, 180557, 200294, 221255, 223858, 302770, 338390, 361114, 382915, 442510, 500735, 559645, 575263, 765830, 902785, 1001470, 1119290, 1150526, 1301911, 1455077, 1805570, 1902793, 2603822, 2876315, 2910154, 3805586, 5752630, 6509555, 7275385, 9513965, 13019110, 14550770, 19027930, 24736309, 49472618, 123681545, 247363090]

約数ペア:

[(1, 247363090), (2, 123681545), (5, 49472618), (10, 24736309), (13, 19027930), (17, 14550770), (19, 13019110), (26, 9513965), (34, 7275385), (38, 6509555), (43, 5752630), (65, 3805586), (85, 2910154), (86, 2876315), (95, 2603822), (130, 1902793), (137, 1805570), (170, 1455077), (190, 1301911), (215, 1150526), (221, 1119290), (247, 1001470), (274, 902785), (323, 765830), (430, 575263), (442, 559645), (494, 500735), (559, 442510), (646, 382915), (685, 361114), (731, 338390), (817, 302770), (1105, 223858), (1118, 221255), (1235, 200294), (1370, 180557), (1462, 169195), (1615, 153166), (1634, 151385), (1781, 138890), (2210, 111929), (2329, 106210), (2470, 100147), (2603, 95030), (2795, 88502), (3230, 76583), (3562, 69445), (3655, 67678), (4085, 60554), (4199, 58910), (4658, 53105), (5206, 47515), (5590, 44251), (5891, 41990), (7310, 33839), (8170, 30277), (8398, 29455), (8905, 27778), (9503, 26030), (10621, 23290), (11645, 21242), (11782, 20995), (13015, 19006), (13889, 17810)]