209214320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^2$

素因数の和:152

約数の個数: 180

約数和(自身を含む): 607070520

約数和(自身を除く): 397856200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 53, 56, 70, 76, 80, 95, 98, 106, 112, 133, 140, 152, 190, 196, 212, 245, 265, 266, 280, 304, 371, 380, 392, 424, 490, 530, 532, 560, 665, 742, 760, 784, 848, 931, 980, 1007, 1060, 1064, 1330, 1484, 1520, 1855, 1862, 1960, 2014, 2120, 2128, 2597, 2660, 2809, 2968, 3710, 3724, 3920, 4028, 4240, 4655, 5035, 5194, 5320, 5618, 5936, 7049, 7420, 7448, 8056, 9310, 10070, 10388, 10640, 11236, 12985, 14045, 14098, 14840, 14896, 16112, 18620, 19663, 20140, 20776, 22472, 25970, 28090, 28196, 29680, 35245, 37240, 39326, 40280, 41552, 44944, 49343, 51940, 53371, 56180, 56392, 70490, 74480, 78652, 80560, 98315, 98686, 103880, 106742, 112360, 112784, 137641, 140980, 157304, 196630, 197372, 207760, 213484, 224720, 246715, 266855, 275282, 281960, 314608, 373597, 393260, 394744, 426968, 493430, 533710, 550564, 563920, 688205, 747194, 786520, 789488, 853936, 986860, 1067420, 1101128, 1376410, 1494388, 1573040, 1867985, 1973720, 2134840, 2202256, 2615179, 2752820, 2988776, 3735970, 3947440, 4269680, 5230358, 5505640, 5977552, 7471940, 10460716, 11011280, 13075895, 14943880, 20921432, 26151790, 29887760, 41842864, 52303580, 104607160, 209214320]

約数ペア:

[(1, 209214320), (2, 104607160), (4, 52303580), (5, 41842864), (7, 29887760), (8, 26151790), (10, 20921432), (14, 14943880), (16, 13075895), (19, 11011280), (20, 10460716), (28, 7471940), (35, 5977552), (38, 5505640), (40, 5230358), (49, 4269680), (53, 3947440), (56, 3735970), (70, 2988776), (76, 2752820), (80, 2615179), (95, 2202256), (98, 2134840), (106, 1973720), (112, 1867985), (133, 1573040), (140, 1494388), (152, 1376410), (190, 1101128), (196, 1067420), (212, 986860), (245, 853936), (265, 789488), (266, 786520), (280, 747194), (304, 688205), (371, 563920), (380, 550564), (392, 533710), (424, 493430), (490, 426968), (530, 394744), (532, 393260), (560, 373597), (665, 314608), (742, 281960), (760, 275282), (784, 266855), (848, 246715), (931, 224720), (980, 213484), (1007, 207760), (1060, 197372), (1064, 196630), (1330, 157304), (1484, 140980), (1520, 137641), (1855, 112784), (1862, 112360), (1960, 106742), (2014, 103880), (2120, 98686), (2128, 98315), (2597, 80560), (2660, 78652), (2809, 74480), (2968, 70490), (3710, 56392), (3724, 56180), (3920, 53371), (4028, 51940), (4240, 49343), (4655, 44944), (5035, 41552), (5194, 40280), (5320, 39326), (5618, 37240), (5936, 35245), (7049, 29680), (7420, 28196), (7448, 28090), (8056, 25970), (9310, 22472), (10070, 20776), (10388, 20140), (10640, 19663), (11236, 18620), (12985, 16112), (14045, 14896), (14098, 14840)]