209830400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 180

約数和(自身を含む): 568740942

約数和(自身を除く): 358910542

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 97, 100, 104, 128, 130, 160, 169, 194, 200, 208, 256, 260, 320, 325, 338, 388, 400, 416, 485, 512, 520, 640, 650, 676, 776, 800, 832, 845, 970, 1040, 1261, 1280, 1300, 1352, 1552, 1600, 1664, 1690, 1940, 2080, 2425, 2522, 2560, 2600, 2704, 3104, 3200, 3328, 3380, 3880, 4160, 4225, 4850, 5044, 5200, 5408, 6208, 6305, 6400, 6656, 6760, 7760, 8320, 8450, 9700, 10088, 10400, 10816, 12416, 12610, 12800, 13520, 15520, 16393, 16640, 16900, 19400, 20176, 20800, 21632, 24832, 25220, 27040, 31040, 31525, 32786, 33280, 33800, 38800, 40352, 41600, 43264, 49664, 50440, 54080, 62080, 63050, 65572, 67600, 77600, 80704, 81965, 83200, 86528, 100880, 108160, 124160, 126100, 131144, 135200, 155200, 161408, 163930, 166400, 201760, 216320, 248320, 252200, 262288, 270400, 310400, 322816, 327860, 403520, 409825, 432640, 504400, 524576, 540800, 620800, 645632, 655720, 807040, 819650, 1008800, 1049152, 1081600, 1241600, 1311440, 1614080, 1639300, 2017600, 2098304, 2163200, 2622880, 3228160, 3278600, 4035200, 4196608, 5245760, 6557200, 8070400, 8393216, 10491520, 13114400, 16140800, 20983040, 26228800, 41966080, 52457600, 104915200, 209830400]

約数ペア:

[(1, 209830400), (2, 104915200), (4, 52457600), (5, 41966080), (8, 26228800), (10, 20983040), (13, 16140800), (16, 13114400), (20, 10491520), (25, 8393216), (26, 8070400), (32, 6557200), (40, 5245760), (50, 4196608), (52, 4035200), (64, 3278600), (65, 3228160), (80, 2622880), (97, 2163200), (100, 2098304), (104, 2017600), (128, 1639300), (130, 1614080), (160, 1311440), (169, 1241600), (194, 1081600), (200, 1049152), (208, 1008800), (256, 819650), (260, 807040), (320, 655720), (325, 645632), (338, 620800), (388, 540800), (400, 524576), (416, 504400), (485, 432640), (512, 409825), (520, 403520), (640, 327860), (650, 322816), (676, 310400), (776, 270400), (800, 262288), (832, 252200), (845, 248320), (970, 216320), (1040, 201760), (1261, 166400), (1280, 163930), (1300, 161408), (1352, 155200), (1552, 135200), (1600, 131144), (1664, 126100), (1690, 124160), (1940, 108160), (2080, 100880), (2425, 86528), (2522, 83200), (2560, 81965), (2600, 80704), (2704, 77600), (3104, 67600), (3200, 65572), (3328, 63050), (3380, 62080), (3880, 54080), (4160, 50440), (4225, 49664), (4850, 43264), (5044, 41600), (5200, 40352), (5408, 38800), (6208, 33800), (6305, 33280), (6400, 32786), (6656, 31525), (6760, 31040), (7760, 27040), (8320, 25220), (8450, 24832), (9700, 21632), (10088, 20800), (10400, 20176), (10816, 19400), (12416, 16900), (12610, 16640), (12800, 16393), (13520, 15520)]