19904400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 240

約数和(自身を含む): 75342400

約数和(自身を除く): 55438000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 90, 95, 97, 100, 108, 114, 120, 135, 144, 150, 152, 171, 180, 190, 194, 200, 216, 225, 228, 240, 270, 285, 291, 300, 304, 342, 360, 380, 388, 400, 432, 450, 456, 475, 485, 513, 540, 570, 582, 600, 675, 684, 720, 760, 776, 855, 873, 900, 912, 950, 970, 1026, 1080, 1140, 1164, 1200, 1350, 1368, 1425, 1455, 1520, 1552, 1710, 1746, 1800, 1843, 1900, 1940, 2052, 2160, 2280, 2328, 2425, 2565, 2619, 2700, 2736, 2850, 2910, 3420, 3492, 3600, 3686, 3800, 3880, 4104, 4275, 4365, 4560, 4656, 4850, 5130, 5238, 5400, 5529, 5700, 5820, 6840, 6984, 7275, 7372, 7600, 7760, 8208, 8550, 8730, 9215, 9700, 10260, 10476, 10800, 11058, 11400, 11640, 12825, 13095, 13680, 13968, 14550, 14744, 16587, 17100, 17460, 18430, 19400, 20520, 20952, 21825, 22116, 22800, 23280, 25650, 26190, 27645, 29100, 29488, 33174, 34200, 34920, 36860, 38800, 41040, 41904, 43650, 44232, 46075, 49761, 51300, 52380, 55290, 58200, 65475, 66348, 68400, 69840, 73720, 82935, 87300, 88464, 92150, 99522, 102600, 104760, 110580, 116400, 130950, 132696, 138225, 147440, 165870, 174600, 184300, 199044, 205200, 209520, 221160, 248805, 261900, 265392, 276450, 331740, 349200, 368600, 398088, 414675, 442320, 497610, 523800, 552900, 663480, 737200, 796176, 829350, 995220, 1047600, 1105800, 1244025, 1326960, 1658700, 1990440, 2211600, 2488050, 3317400, 3980880, 4976100, 6634800, 9952200, 19904400]

約数ペア:

[(1, 19904400), (2, 9952200), (3, 6634800), (4, 4976100), (5, 3980880), (6, 3317400), (8, 2488050), (9, 2211600), (10, 1990440), (12, 1658700), (15, 1326960), (16, 1244025), (18, 1105800), (19, 1047600), (20, 995220), (24, 829350), (25, 796176), (27, 737200), (30, 663480), (36, 552900), (38, 523800), (40, 497610), (45, 442320), (48, 414675), (50, 398088), (54, 368600), (57, 349200), (60, 331740), (72, 276450), (75, 265392), (76, 261900), (80, 248805), (90, 221160), (95, 209520), (97, 205200), (100, 199044), (108, 184300), (114, 174600), (120, 165870), (135, 147440), (144, 138225), (150, 132696), (152, 130950), (171, 116400), (180, 110580), (190, 104760), (194, 102600), (200, 99522), (216, 92150), (225, 88464), (228, 87300), (240, 82935), (270, 73720), (285, 69840), (291, 68400), (300, 66348), (304, 65475), (342, 58200), (360, 55290), (380, 52380), (388, 51300), (400, 49761), (432, 46075), (450, 44232), (456, 43650), (475, 41904), (485, 41040), (513, 38800), (540, 36860), (570, 34920), (582, 34200), (600, 33174), (675, 29488), (684, 29100), (720, 27645), (760, 26190), (776, 25650), (855, 23280), (873, 22800), (900, 22116), (912, 21825), (950, 20952), (970, 20520), (1026, 19400), (1080, 18430), (1140, 17460), (1164, 17100), (1200, 16587), (1350, 14744), (1368, 14550), (1425, 13968), (1455, 13680), (1520, 13095), (1552, 12825), (1710, 11640), (1746, 11400), (1800, 11058), (1843, 10800), (1900, 10476), (1940, 10260), (2052, 9700), (2160, 9215), (2280, 8730), (2328, 8550), (2425, 8208), (2565, 7760), (2619, 7600), (2700, 7372), (2736, 7275), (2850, 6984), (2910, 6840), (3420, 5820), (3492, 5700), (3600, 5529), (3686, 5400), (3800, 5238), (3880, 5130), (4104, 4850), (4275, 4656), (4365, 4560)]