259788928

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 128

約数和(自身を含む): 626688000

約数和(自身を除く): 366899072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 47, 56, 62, 64, 94, 112, 124, 128, 188, 199, 217, 224, 248, 329, 376, 398, 434, 448, 496, 658, 752, 796, 868, 896, 992, 1316, 1393, 1457, 1504, 1592, 1736, 1984, 2632, 2786, 2914, 3008, 3184, 3472, 3968, 5264, 5572, 5828, 6016, 6169, 6368, 6944, 9353, 10199, 10528, 11144, 11656, 12338, 12736, 13888, 18706, 20398, 21056, 22288, 23312, 24676, 25472, 27776, 37412, 40796, 42112, 43183, 44576, 46624, 49352, 65471, 74824, 81592, 86366, 89152, 93248, 98704, 130942, 149648, 163184, 172732, 178304, 186496, 197408, 261884, 289943, 299296, 326368, 345464, 394816, 523768, 579886, 598592, 652736, 690928, 789632, 1047536, 1159772, 1197184, 1305472, 1381856, 2029601, 2095072, 2319544, 2763712, 4059202, 4190144, 4639088, 5527424, 8118404, 8380288, 9278176, 16236808, 18556352, 32473616, 37112704, 64947232, 129894464, 259788928]

約数ペア:

[(1, 259788928), (2, 129894464), (4, 64947232), (7, 37112704), (8, 32473616), (14, 18556352), (16, 16236808), (28, 9278176), (31, 8380288), (32, 8118404), (47, 5527424), (56, 4639088), (62, 4190144), (64, 4059202), (94, 2763712), (112, 2319544), (124, 2095072), (128, 2029601), (188, 1381856), (199, 1305472), (217, 1197184), (224, 1159772), (248, 1047536), (329, 789632), (376, 690928), (398, 652736), (434, 598592), (448, 579886), (496, 523768), (658, 394816), (752, 345464), (796, 326368), (868, 299296), (896, 289943), (992, 261884), (1316, 197408), (1393, 186496), (1457, 178304), (1504, 172732), (1592, 163184), (1736, 149648), (1984, 130942), (2632, 98704), (2786, 93248), (2914, 89152), (3008, 86366), (3184, 81592), (3472, 74824), (3968, 65471), (5264, 49352), (5572, 46624), (5828, 44576), (6016, 43183), (6169, 42112), (6368, 40796), (6944, 37412), (9353, 27776), (10199, 25472), (10528, 24676), (11144, 23312), (11656, 22288), (12338, 21056), (12736, 20398), (13888, 18706)]