254804704

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:142

約数の個数: 216

約数和(自身を含む): 687748320

約数和(自身を除く): 432943616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 49, 56, 68, 77, 79, 88, 98, 112, 119, 121, 136, 154, 158, 176, 187, 196, 224, 238, 242, 272, 308, 316, 352, 374, 392, 476, 484, 539, 544, 553, 616, 632, 748, 784, 833, 847, 869, 952, 968, 1078, 1106, 1232, 1264, 1309, 1343, 1496, 1568, 1666, 1694, 1738, 1904, 1936, 2057, 2156, 2212, 2464, 2528, 2618, 2686, 2992, 3332, 3388, 3476, 3808, 3871, 3872, 4114, 4312, 4424, 5236, 5372, 5929, 5984, 6083, 6664, 6776, 6952, 7742, 8228, 8624, 8848, 9163, 9401, 9559, 10472, 10744, 11858, 12166, 13328, 13552, 13904, 14399, 14773, 15484, 16456, 17248, 17696, 18326, 18802, 19118, 20944, 21488, 23716, 24332, 26656, 27104, 27808, 28798, 29546, 30968, 32912, 36652, 37604, 38236, 41888, 42581, 42976, 47432, 48664, 57596, 59092, 61936, 65807, 65824, 66913, 73304, 75208, 76472, 85162, 94864, 97328, 100793, 103411, 115192, 118184, 123872, 131614, 133826, 146608, 150416, 152944, 162503, 170324, 189728, 194656, 201586, 206822, 230384, 236368, 263228, 267652, 293216, 300832, 305888, 325006, 340648, 403172, 413644, 460768, 468391, 472736, 526456, 535304, 650012, 681296, 723877, 806344, 827288, 936782, 1052912, 1070608, 1137521, 1300024, 1362592, 1447754, 1612688, 1654576, 1873564, 2105824, 2141216, 2275042, 2600048, 2895508, 3225376, 3309152, 3747128, 4550084, 5200096, 5791016, 7494256, 7962647, 9100168, 11582032, 14988512, 15925294, 18200336, 23164064, 31850588, 36400672, 63701176, 127402352, 254804704]

約数ペア:

[(1, 254804704), (2, 127402352), (4, 63701176), (7, 36400672), (8, 31850588), (11, 23164064), (14, 18200336), (16, 15925294), (17, 14988512), (22, 11582032), (28, 9100168), (32, 7962647), (34, 7494256), (44, 5791016), (49, 5200096), (56, 4550084), (68, 3747128), (77, 3309152), (79, 3225376), (88, 2895508), (98, 2600048), (112, 2275042), (119, 2141216), (121, 2105824), (136, 1873564), (154, 1654576), (158, 1612688), (176, 1447754), (187, 1362592), (196, 1300024), (224, 1137521), (238, 1070608), (242, 1052912), (272, 936782), (308, 827288), (316, 806344), (352, 723877), (374, 681296), (392, 650012), (476, 535304), (484, 526456), (539, 472736), (544, 468391), (553, 460768), (616, 413644), (632, 403172), (748, 340648), (784, 325006), (833, 305888), (847, 300832), (869, 293216), (952, 267652), (968, 263228), (1078, 236368), (1106, 230384), (1232, 206822), (1264, 201586), (1309, 194656), (1343, 189728), (1496, 170324), (1568, 162503), (1666, 152944), (1694, 150416), (1738, 146608), (1904, 133826), (1936, 131614), (2057, 123872), (2156, 118184), (2212, 115192), (2464, 103411), (2528, 100793), (2618, 97328), (2686, 94864), (2992, 85162), (3332, 76472), (3388, 75208), (3476, 73304), (3808, 66913), (3871, 65824), (3872, 65807), (4114, 61936), (4312, 59092), (4424, 57596), (5236, 48664), (5372, 47432), (5929, 42976), (5984, 42581), (6083, 41888), (6664, 38236), (6776, 37604), (6952, 36652), (7742, 32912), (8228, 30968), (8624, 29546), (8848, 28798), (9163, 27808), (9401, 27104), (9559, 26656), (10472, 24332), (10744, 23716), (11858, 21488), (12166, 20944), (13328, 19118), (13552, 18802), (13904, 18326), (14399, 17696), (14773, 17248), (15484, 16456)]