280805250544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1065529}}^1$

素因数の和:1065738

約数の個数: 80

約数和(自身を含む): 673312669120

約数和(自身を除く): 392507418576

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 181, 182, 208, 362, 364, 724, 728, 1267, 1448, 1456, 2353, 2534, 2896, 4706, 5068, 9412, 10136, 16471, 18824, 20272, 32942, 37648, 65884, 131768, 263536, 1065529, 2131058, 4262116, 7458703, 8524232, 13851877, 14917406, 17048464, 27703754, 29834812, 55407508, 59669624, 96963139, 110815016, 119339248, 192860749, 193926278, 221630032, 385721498, 387852556, 771442996, 775705112, 1350025243, 1542885992, 1551410224, 2507189737, 2700050486, 3085771984, 5014379474, 5400100972, 10028758948, 10800201944, 17550328159, 20057517896, 21600403888, 35100656318, 40115035792, 70201312636, 140402625272, 280805250544]

約数ペア:

[(1, 280805250544), (2, 140402625272), (4, 70201312636), (7, 40115035792), (8, 35100656318), (13, 21600403888), (14, 20057517896), (16, 17550328159), (26, 10800201944), (28, 10028758948), (52, 5400100972), (56, 5014379474), (91, 3085771984), (104, 2700050486), (112, 2507189737), (181, 1551410224), (182, 1542885992), (208, 1350025243), (362, 775705112), (364, 771442996), (724, 387852556), (728, 385721498), (1267, 221630032), (1448, 193926278), (1456, 192860749), (2353, 119339248), (2534, 110815016), (2896, 96963139), (4706, 59669624), (5068, 55407508), (9412, 29834812), (10136, 27703754), (16471, 17048464), (18824, 14917406), (20272, 13851877), (32942, 8524232), (37648, 7458703), (65884, 4262116), (131768, 2131058), (263536, 1065529)]