406897568

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:827

約数の個数: 144

約数和(自身を含む): 1050755328

約数和(自身を除く): 643857760

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 49, 56, 62, 77, 88, 98, 112, 124, 154, 176, 196, 217, 224, 248, 308, 341, 352, 392, 434, 496, 539, 616, 682, 761, 784, 868, 992, 1078, 1232, 1364, 1519, 1522, 1568, 1736, 2156, 2387, 2464, 2728, 3038, 3044, 3472, 4312, 4774, 5327, 5456, 6076, 6088, 6944, 8371, 8624, 9548, 10654, 10912, 12152, 12176, 16709, 16742, 17248, 19096, 21308, 23591, 24304, 24352, 33418, 33484, 37289, 38192, 42616, 47182, 48608, 58597, 66836, 66968, 74578, 76384, 85232, 94364, 117194, 133672, 133936, 149156, 165137, 170464, 188728, 234388, 259501, 267344, 267872, 298312, 330274, 377456, 410179, 468776, 519002, 534688, 596624, 660548, 754912, 820358, 937552, 1038004, 1155959, 1193248, 1321096, 1640716, 1816507, 1875104, 2076008, 2311918, 2642192, 3281432, 3633014, 4152016, 4623836, 5284384, 6562864, 7266028, 8304032, 9247672, 12715549, 13125728, 14532056, 18495344, 25431098, 29064112, 36990688, 50862196, 58128224, 101724392, 203448784, 406897568]

約数ペア:

[(1, 406897568), (2, 203448784), (4, 101724392), (7, 58128224), (8, 50862196), (11, 36990688), (14, 29064112), (16, 25431098), (22, 18495344), (28, 14532056), (31, 13125728), (32, 12715549), (44, 9247672), (49, 8304032), (56, 7266028), (62, 6562864), (77, 5284384), (88, 4623836), (98, 4152016), (112, 3633014), (124, 3281432), (154, 2642192), (176, 2311918), (196, 2076008), (217, 1875104), (224, 1816507), (248, 1640716), (308, 1321096), (341, 1193248), (352, 1155959), (392, 1038004), (434, 937552), (496, 820358), (539, 754912), (616, 660548), (682, 596624), (761, 534688), (784, 519002), (868, 468776), (992, 410179), (1078, 377456), (1232, 330274), (1364, 298312), (1519, 267872), (1522, 267344), (1568, 259501), (1736, 234388), (2156, 188728), (2387, 170464), (2464, 165137), (2728, 149156), (3038, 133936), (3044, 133672), (3472, 117194), (4312, 94364), (4774, 85232), (5327, 76384), (5456, 74578), (6076, 66968), (6088, 66836), (6944, 58597), (8371, 48608), (8624, 47182), (9548, 42616), (10654, 38192), (10912, 37289), (12152, 33484), (12176, 33418), (16709, 24352), (16742, 24304), (17248, 23591), (19096, 21308)]