205462880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:461

約数の個数: 144

約数和(自身を含む): 573985440

約数和(自身を除く): 368522560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 160, 196, 224, 245, 280, 292, 359, 365, 392, 490, 511, 560, 584, 718, 730, 784, 980, 1022, 1120, 1168, 1436, 1460, 1568, 1795, 1960, 2044, 2336, 2513, 2555, 2872, 2920, 3577, 3590, 3920, 4088, 5026, 5110, 5744, 5840, 7154, 7180, 7840, 8176, 10052, 10220, 11488, 11680, 12565, 14308, 14360, 16352, 17591, 17885, 20104, 20440, 25130, 26207, 28616, 28720, 35182, 35770, 40208, 40880, 50260, 52414, 57232, 57440, 70364, 71540, 80416, 81760, 87955, 100520, 104828, 114464, 131035, 140728, 143080, 175910, 183449, 201040, 209656, 262070, 281456, 286160, 351820, 366898, 402080, 419312, 524140, 562912, 572320, 703640, 733796, 838624, 917245, 1048280, 1284143, 1407280, 1467592, 1834490, 2096560, 2568286, 2814560, 2935184, 3668980, 4193120, 5136572, 5870368, 6420715, 7337960, 10273144, 12841430, 14675920, 20546288, 25682860, 29351840, 41092576, 51365720, 102731440, 205462880]

約数ペア:

[(1, 205462880), (2, 102731440), (4, 51365720), (5, 41092576), (7, 29351840), (8, 25682860), (10, 20546288), (14, 14675920), (16, 12841430), (20, 10273144), (28, 7337960), (32, 6420715), (35, 5870368), (40, 5136572), (49, 4193120), (56, 3668980), (70, 2935184), (73, 2814560), (80, 2568286), (98, 2096560), (112, 1834490), (140, 1467592), (146, 1407280), (160, 1284143), (196, 1048280), (224, 917245), (245, 838624), (280, 733796), (292, 703640), (359, 572320), (365, 562912), (392, 524140), (490, 419312), (511, 402080), (560, 366898), (584, 351820), (718, 286160), (730, 281456), (784, 262070), (980, 209656), (1022, 201040), (1120, 183449), (1168, 175910), (1436, 143080), (1460, 140728), (1568, 131035), (1795, 114464), (1960, 104828), (2044, 100520), (2336, 87955), (2513, 81760), (2555, 80416), (2872, 71540), (2920, 70364), (3577, 57440), (3590, 57232), (3920, 52414), (4088, 50260), (5026, 40880), (5110, 40208), (5744, 35770), (5840, 35182), (7154, 28720), (7180, 28616), (7840, 26207), (8176, 25130), (10052, 20440), (10220, 20104), (11488, 17885), (11680, 17591), (12565, 16352), (14308, 14360)]