205713760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1429

約数の個数: 144

約数和(自身を含む): 595531440

約数和(自身を除く): 389817680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 380, 392, 490, 532, 560, 608, 665, 760, 784, 931, 980, 1064, 1120, 1330, 1381, 1520, 1568, 1862, 1960, 2128, 2660, 2762, 3040, 3724, 3920, 4256, 4655, 5320, 5524, 6905, 7448, 7840, 9310, 9667, 10640, 11048, 13810, 14896, 18620, 19334, 21280, 22096, 26239, 27620, 29792, 37240, 38668, 44192, 48335, 52478, 55240, 67669, 74480, 77336, 96670, 104956, 110480, 131195, 135338, 148960, 154672, 183673, 193340, 209912, 220960, 262390, 270676, 309344, 338345, 367346, 386680, 419824, 524780, 541352, 676690, 734692, 773360, 839648, 918365, 1049560, 1082704, 1285711, 1353380, 1469384, 1546720, 1836730, 2099120, 2165408, 2571422, 2706760, 2938768, 3673460, 4198240, 5142844, 5413520, 5877536, 6428555, 7346920, 10285688, 10827040, 12857110, 14693840, 20571376, 25714220, 29387680, 41142752, 51428440, 102856880, 205713760]

約数ペア:

[(1, 205713760), (2, 102856880), (4, 51428440), (5, 41142752), (7, 29387680), (8, 25714220), (10, 20571376), (14, 14693840), (16, 12857110), (19, 10827040), (20, 10285688), (28, 7346920), (32, 6428555), (35, 5877536), (38, 5413520), (40, 5142844), (49, 4198240), (56, 3673460), (70, 2938768), (76, 2706760), (80, 2571422), (95, 2165408), (98, 2099120), (112, 1836730), (133, 1546720), (140, 1469384), (152, 1353380), (160, 1285711), (190, 1082704), (196, 1049560), (224, 918365), (245, 839648), (266, 773360), (280, 734692), (304, 676690), (380, 541352), (392, 524780), (490, 419824), (532, 386680), (560, 367346), (608, 338345), (665, 309344), (760, 270676), (784, 262390), (931, 220960), (980, 209912), (1064, 193340), (1120, 183673), (1330, 154672), (1381, 148960), (1520, 135338), (1568, 131195), (1862, 110480), (1960, 104956), (2128, 96670), (2660, 77336), (2762, 74480), (3040, 67669), (3724, 55240), (3920, 52478), (4256, 48335), (4655, 44192), (5320, 38668), (5524, 37240), (6905, 29792), (7448, 27620), (7840, 26239), (9310, 22096), (9667, 21280), (10640, 19334), (11048, 18620), (13810, 14896)]