254959740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:377

約数の個数: 216

約数和(自身を含む): 910505232

約数和(自身を除く): 655545492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 137, 140, 147, 180, 196, 210, 211, 245, 252, 274, 294, 315, 411, 420, 422, 441, 490, 548, 588, 630, 633, 685, 735, 822, 844, 882, 959, 980, 1055, 1233, 1260, 1266, 1370, 1470, 1477, 1644, 1764, 1899, 1918, 2055, 2110, 2205, 2466, 2532, 2740, 2877, 2940, 2954, 3165, 3798, 3836, 4110, 4220, 4410, 4431, 4795, 4932, 5754, 5908, 6165, 6330, 6713, 7385, 7596, 8220, 8631, 8820, 8862, 9495, 9590, 10339, 11508, 12330, 12660, 13293, 13426, 14385, 14770, 17262, 17724, 18990, 19180, 20139, 20678, 22155, 24660, 26586, 26852, 28770, 28907, 29540, 31017, 33565, 34524, 37980, 40278, 41356, 43155, 44310, 51695, 53172, 57540, 57814, 60417, 62034, 66465, 67130, 80556, 86310, 86721, 88620, 93051, 100695, 103390, 115628, 120834, 124068, 132930, 134260, 144535, 155085, 172620, 173442, 186102, 201390, 202349, 206780, 241668, 260163, 265860, 289070, 302085, 310170, 346884, 372204, 402780, 404698, 433605, 465255, 520326, 578140, 604170, 607047, 620340, 809396, 867210, 930510, 1011745, 1040652, 1208340, 1214094, 1300815, 1416443, 1734420, 1821141, 1861020, 2023490, 2428188, 2601630, 2832886, 3035235, 3642282, 4046980, 4249329, 5203260, 5665772, 6070470, 7082215, 7284564, 8498658, 9105705, 12140940, 12747987, 14164430, 16997316, 18211410, 21246645, 25495974, 28328860, 36422820, 42493290, 50991948, 63739935, 84986580, 127479870, 254959740]

約数ペア:

[(1, 254959740), (2, 127479870), (3, 84986580), (4, 63739935), (5, 50991948), (6, 42493290), (7, 36422820), (9, 28328860), (10, 25495974), (12, 21246645), (14, 18211410), (15, 16997316), (18, 14164430), (20, 12747987), (21, 12140940), (28, 9105705), (30, 8498658), (35, 7284564), (36, 7082215), (42, 6070470), (45, 5665772), (49, 5203260), (60, 4249329), (63, 4046980), (70, 3642282), (84, 3035235), (90, 2832886), (98, 2601630), (105, 2428188), (126, 2023490), (137, 1861020), (140, 1821141), (147, 1734420), (180, 1416443), (196, 1300815), (210, 1214094), (211, 1208340), (245, 1040652), (252, 1011745), (274, 930510), (294, 867210), (315, 809396), (411, 620340), (420, 607047), (422, 604170), (441, 578140), (490, 520326), (548, 465255), (588, 433605), (630, 404698), (633, 402780), (685, 372204), (735, 346884), (822, 310170), (844, 302085), (882, 289070), (959, 265860), (980, 260163), (1055, 241668), (1233, 206780), (1260, 202349), (1266, 201390), (1370, 186102), (1470, 173442), (1477, 172620), (1644, 155085), (1764, 144535), (1899, 134260), (1918, 132930), (2055, 124068), (2110, 120834), (2205, 115628), (2466, 103390), (2532, 100695), (2740, 93051), (2877, 88620), (2940, 86721), (2954, 86310), (3165, 80556), (3798, 67130), (3836, 66465), (4110, 62034), (4220, 60417), (4410, 57814), (4431, 57540), (4795, 53172), (4932, 51695), (5754, 44310), (5908, 43155), (6165, 41356), (6330, 40278), (6713, 37980), (7385, 34524), (7596, 33565), (8220, 31017), (8631, 29540), (8820, 28907), (8862, 28770), (9495, 26852), (9590, 26586), (10339, 24660), (11508, 22155), (12330, 20678), (12660, 20139), (13293, 19180), (13426, 18990), (14385, 17724), (14770, 17262)]