207977649620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{997}}^1\times {\mathrm{61717}}^1$

素因数の和:62749

約数の個数: 72

約数和(自身を含む): 473415818904

約数和(自身を除く): 265438169284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 997, 1690, 1994, 3380, 3988, 4985, 9970, 12961, 19940, 25922, 51844, 61717, 64805, 123434, 129610, 168493, 246868, 259220, 308585, 336986, 617170, 673972, 802321, 842465, 1234340, 1604642, 1684930, 3209284, 3369860, 4011605, 8023210, 10430173, 16046420, 20860346, 41720692, 52150865, 61531849, 104301730, 123063698, 208603460, 246127396, 307659245, 615318490, 799914037, 1230636980, 1599828074, 3199656148, 3999570185, 7999140370, 10398882481, 15998280740, 20797764962, 41595529924, 51994412405, 103988824810, 207977649620]

約数ペア:

[(1, 207977649620), (2, 103988824810), (4, 51994412405), (5, 41595529924), (10, 20797764962), (13, 15998280740), (20, 10398882481), (26, 7999140370), (52, 3999570185), (65, 3199656148), (130, 1599828074), (169, 1230636980), (260, 799914037), (338, 615318490), (676, 307659245), (845, 246127396), (997, 208603460), (1690, 123063698), (1994, 104301730), (3380, 61531849), (3988, 52150865), (4985, 41720692), (9970, 20860346), (12961, 16046420), (19940, 10430173), (25922, 8023210), (51844, 4011605), (61717, 3369860), (64805, 3209284), (123434, 1684930), (129610, 1604642), (168493, 1234340), (246868, 842465), (259220, 802321), (308585, 673972), (336986, 617170)]