278531196

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 752522400

約数和(自身を除く): 473991204

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 29, 34, 46, 51, 58, 68, 69, 87, 89, 92, 102, 116, 138, 174, 178, 204, 267, 276, 348, 356, 391, 493, 529, 534, 667, 782, 986, 1058, 1068, 1173, 1334, 1479, 1513, 1564, 1587, 1972, 2001, 2047, 2116, 2346, 2581, 2668, 2958, 3026, 3174, 4002, 4094, 4539, 4692, 5162, 5916, 6052, 6141, 6348, 7743, 8004, 8188, 8993, 9078, 10324, 11339, 12282, 15341, 15486, 17986, 18156, 22678, 24564, 26979, 30682, 30972, 34017, 34799, 35972, 43877, 45356, 46023, 47081, 53958, 59363, 61364, 68034, 69598, 87754, 92046, 94162, 104397, 107916, 118726, 131631, 136068, 139196, 141243, 175508, 178089, 184092, 188324, 208794, 237452, 260797, 263262, 282486, 356178, 417588, 521594, 526524, 564972, 712356, 782391, 800377, 1009171, 1043188, 1365349, 1564782, 1600754, 2018342, 2401131, 2730698, 3027513, 3129564, 3201508, 4036684, 4096047, 4802262, 5461396, 6055026, 8192094, 9604524, 12110052, 16384188, 23210933, 46421866, 69632799, 92843732, 139265598, 278531196]

約数ペア:

[(1, 278531196), (2, 139265598), (3, 92843732), (4, 69632799), (6, 46421866), (12, 23210933), (17, 16384188), (23, 12110052), (29, 9604524), (34, 8192094), (46, 6055026), (51, 5461396), (58, 4802262), (68, 4096047), (69, 4036684), (87, 3201508), (89, 3129564), (92, 3027513), (102, 2730698), (116, 2401131), (138, 2018342), (174, 1600754), (178, 1564782), (204, 1365349), (267, 1043188), (276, 1009171), (348, 800377), (356, 782391), (391, 712356), (493, 564972), (529, 526524), (534, 521594), (667, 417588), (782, 356178), (986, 282486), (1058, 263262), (1068, 260797), (1173, 237452), (1334, 208794), (1479, 188324), (1513, 184092), (1564, 178089), (1587, 175508), (1972, 141243), (2001, 139196), (2047, 136068), (2116, 131631), (2346, 118726), (2581, 107916), (2668, 104397), (2958, 94162), (3026, 92046), (3174, 87754), (4002, 69598), (4094, 68034), (4539, 61364), (4692, 59363), (5162, 53958), (5916, 47081), (6052, 46023), (6141, 45356), (6348, 43877), (7743, 35972), (8004, 34799), (8188, 34017), (8993, 30972), (9078, 30682), (10324, 26979), (11339, 24564), (12282, 22678), (15341, 18156), (15486, 17986)]