204999840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4909}}^1$

素因数の和:4959

約数の個数: 144

約数和(自身を含む): 723832200

約数和(自身を除く): 518832360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 464, 480, 522, 580, 696, 720, 870, 928, 1044, 1160, 1305, 1392, 1440, 1740, 2088, 2320, 2610, 2784, 3480, 4176, 4640, 4909, 5220, 6960, 8352, 9818, 10440, 13920, 14727, 19636, 20880, 24545, 29454, 39272, 41760, 44181, 49090, 58908, 73635, 78544, 88362, 98180, 117816, 142361, 147270, 157088, 176724, 196360, 220905, 235632, 284722, 294540, 353448, 392720, 427083, 441810, 471264, 569444, 589080, 706896, 711805, 785440, 854166, 883620, 1138888, 1178160, 1281249, 1413792, 1423610, 1708332, 1767240, 2135415, 2277776, 2356320, 2562498, 2847220, 3416664, 3534480, 4270830, 4555552, 5124996, 5694440, 6406245, 6833328, 7068960, 8541660, 10249992, 11388880, 12812490, 13666656, 17083320, 20499984, 22777760, 25624980, 34166640, 40999968, 51249960, 68333280, 102499920, 204999840]

約数ペア:

[(1, 204999840), (2, 102499920), (3, 68333280), (4, 51249960), (5, 40999968), (6, 34166640), (8, 25624980), (9, 22777760), (10, 20499984), (12, 17083320), (15, 13666656), (16, 12812490), (18, 11388880), (20, 10249992), (24, 8541660), (29, 7068960), (30, 6833328), (32, 6406245), (36, 5694440), (40, 5124996), (45, 4555552), (48, 4270830), (58, 3534480), (60, 3416664), (72, 2847220), (80, 2562498), (87, 2356320), (90, 2277776), (96, 2135415), (116, 1767240), (120, 1708332), (144, 1423610), (145, 1413792), (160, 1281249), (174, 1178160), (180, 1138888), (232, 883620), (240, 854166), (261, 785440), (288, 711805), (290, 706896), (348, 589080), (360, 569444), (435, 471264), (464, 441810), (480, 427083), (522, 392720), (580, 353448), (696, 294540), (720, 284722), (870, 235632), (928, 220905), (1044, 196360), (1160, 176724), (1305, 157088), (1392, 147270), (1440, 142361), (1740, 117816), (2088, 98180), (2320, 88362), (2610, 78544), (2784, 73635), (3480, 58908), (4176, 49090), (4640, 44181), (4909, 41760), (5220, 39272), (6960, 29454), (8352, 24545), (9818, 20880), (10440, 19636), (13920, 14727)]